diff --git a/config/default.toml b/config/default.toml
index 8f581fc..5b76c38 100644
--- a/config/default.toml
+++ b/config/default.toml
@@ -35,13 +35,6 @@ secret = "REPLACE WITH SAFE RANDOM GENERATED SECRET"
 cookieMaxAge = 6048e+5  # 7 days
 
 
-# Configuration for markdown rendering
-[markdown]
-
-# The plugins used in the markdown parser
-plugins = ["markdown-it-emoji"]
-
-
 # Configuration for logging
 [logging]
 
diff --git a/package.json b/package.json
index d68e268..ffd79fe 100644
--- a/package.json
+++ b/package.json
@@ -81,6 +81,7 @@
     "legit": "^1.0.7",
     "markdown-it": "^10.0.0",
     "markdown-it-emoji": "^1.4.0",
+    "markdown-it-html5-media": "^0.6.0",
     "pg": "^7.12.1",
     "pug": "^2.0.4",
     "reflect-metadata": "^0.1.13",
diff --git a/src/graphql/resolvers.ts b/src/graphql/resolvers.ts
index a6ae294..04d4cb3 100644
--- a/src/graphql/resolvers.ts
+++ b/src/graphql/resolvers.ts
@@ -6,6 +6,7 @@ import isEmail from "validator/lib/isEmail";
 import dataaccess from "../lib/dataAccess";
 import {BlacklistedError} from "../lib/errors/BlacklistedError";
 import {NotAnAdminGqlError, NotLoggedInGqlError, PostNotFoundGqlError} from "../lib/errors/graphqlErrors";
+import {GroupNotFoundError} from "../lib/errors/GroupNotFoundError";
 import {InvalidLoginError} from "../lib/errors/InvalidLoginError";
 import globals from "../lib/globals";
 import {InternalEvents} from "../lib/InternalEvents";
@@ -409,6 +410,25 @@ export function resolver(req: any, res: any): any {
                 return new NotLoggedInGqlError();
             }
         },
+        async deleteGroup({groupId}: {groupId: number}) {
+            if (req.session.userId) {
+                const group = await models.Group.findByPk(groupId);
+                if (!group) {
+                    res.status(status.BAD_REQUEST);
+                    return new GroupNotFoundError(groupId).graphqlError;
+                }
+                if (group.creatorId === req.session.userId) {
+                    await group.destroy();
+                    return true;
+                } else {
+                    res.status(status.FORBIDDEN);
+                    return new GraphQLError("You are not the group admin.");
+                }
+            } else {
+                res.status(status.UNAUTHORIZED);
+                return new NotLoggedInGqlError();
+            }
+        },
         async joinGroup({id}: { id: number }) {
             if (req.session.userId) {
                 try {
@@ -502,6 +522,27 @@ export function resolver(req: any, res: any): any {
                 return new NotLoggedInGqlError();
             }
         },
+        async deleteEvent({eventId}: {eventId: number}) {
+            if (req.session.userId) {
+                const event = await models.Event.findByPk(eventId, {include: [models.Group]});
+                const user = await models.User.findByPk(req.session.userId);
+                if (!event) {
+                    res.status(status.BAD_REQUEST);
+                    return new GraphQLError(`No event with id '${eventId}' found.`);
+                }
+                const group = await event.group();
+                if (await group.$has("rAdmins", user)) {
+                    await event.destroy();
+                    return true;
+                } else {
+                    res.status(status.FORBIDDEN);
+                    return new NotAnAdminGqlError();
+                }
+            } else {
+                res.status(status.UNAUTHORIZED);
+                return new NotLoggedInGqlError();
+            }
+        },
         async joinEvent({eventId}: { eventId: number }) {
             if (req.session.userId) {
                 const event = await models.Event.findByPk(eventId);
diff --git a/src/graphql/schema.graphql b/src/graphql/schema.graphql
index 376ed7d..99103c3 100644
--- a/src/graphql/schema.graphql
+++ b/src/graphql/schema.graphql
@@ -94,6 +94,9 @@ type Mutation {
     "Creates a new group with a given name and additional members"
     createGroup(name: String!, members: [ID!]): Group!
 
+    "Deletes a group."
+    deleteGroup(groupId: ID!): Boolean!
+
     "Joins a group with the given id"
     joinGroup(id: ID!): Group
 
@@ -109,6 +112,9 @@ type Mutation {
     "Creates a new event with a epoch due date on a group."
     createEvent(name: String, dueDate: String, groupId: ID!): Event!
 
+    "Deletes an event."
+    deleteEvent(eventId: ID!): Boolean!
+
     "Joins a event."
     joinEvent(eventId: ID!): Event
 
@@ -411,7 +417,10 @@ type Group {
     events(first: Int=10, offset: Int=0): [Event!]! @complexity(value: 1, multipliers: ["first"])
 
     "If the user with the specified id has joined the group"
-    joined(userId: Int): Boolean!
+    joined(userId: ID): Boolean!
+
+    "If the group is deletable by the specified or logged in user."
+    deletable(userId: ID): Boolean!
 }
 
 type Event {
@@ -431,7 +440,10 @@ type Event {
     participants(first: Int=10, offset: Int=0): [User!]! @complexity(value: 1, multipliers: ["first"])
 
     "Returns if the user with the specified id has joined the event"
-    joined(userId: Int): Boolean
+    joined(userId: ID): Boolean!
+
+    "Returns if the Event is deletable by the logged in or specified user"
+    deletable(userId: ID): Boolean!
 }
 
 "respresents an access token entry with the value as the acutal token and expires as the date the token expires."
diff --git a/src/lib/errors/BlacklistedError.ts b/src/lib/errors/BlacklistedError.ts
index 288af38..a4a76c2 100644
--- a/src/lib/errors/BlacklistedError.ts
+++ b/src/lib/errors/BlacklistedError.ts
@@ -5,6 +5,6 @@ import {BaseError} from "./BaseError";
  */
 export class BlacklistedError extends BaseError {
     constructor(public phrases: string[], field: string = "input") {
-        super(`The ${field} contains the blacklisted words: ${phrases.join(",")}`);
+        super(`The ${field} contains the blacklisted words: ${phrases.join(", ")}`);
     }
 }
diff --git a/src/lib/markdown.ts b/src/lib/markdown.ts
index 8dbbe03..84e8a32 100644
--- a/src/lib/markdown.ts
+++ b/src/lib/markdown.ts
@@ -1,21 +1,13 @@
-import * as config from "config";
 import * as MarkdownIt from "markdown-it/lib";
-import globals from "./globals";
 
-namespace markdown {
+const { html5Media } = require("markdown-it-html5-media");
+const mdEmoji = require("markdown-it-emoji");
 
-    const md = new MarkdownIt();
+namespace markdown {
 
-    for (const pluginName of config.get("markdown.plugins") as string[]) {
-        try {
-            const plugin = require(pluginName);
-            if (plugin) {
-                md.use(plugin);
-            }
-        } catch (err) {
-            globals.logger.warn(`Markdown-it plugin '${pluginName}' not found!`);
-        }
-    }
+    const md = new MarkdownIt()
+        .use(html5Media)
+        .use(mdEmoji);
 
     /**
      * Renders the markdown string inline (without blocks).
diff --git a/src/lib/models/Event.ts b/src/lib/models/Event.ts
index 6d3fcd9..c0119ed 100644
--- a/src/lib/models/Event.ts
+++ b/src/lib/models/Event.ts
@@ -55,7 +55,7 @@ export class Event extends Model<Event> {
      * @param first
      * @param offset
      */
-    public async participants({first, offset}: { first: number, offset: number }): Promise<User[]> {
+    public async participants({first, offset}: { first?: number, offset?: number }): Promise<User[]> {
         const limit = first ?? 10;
         offset = offset ?? 0;
         return await this.$get("rParticipants", {limit, offset}) as User[];
@@ -75,4 +75,20 @@ export class Event extends Model<Event> {
             return false;
         }
     }
+
+    /**
+     * Returns if the event is deletable by the specified user
+     * @param userId
+     * @param request
+     */
+    public async deletable({userId}: {userId: number}, request: any): Promise<boolean> {
+        userId = userId ?? request.session.userId;
+        if (userId) {
+            const group = await this.$get<Group>("rGroup") as Group;
+            const user = await User.findByPk(userId);
+            return group.$has("rAdmins", user);
+        } else {
+            return false;
+        }
+    }
 }
diff --git a/src/lib/models/Group.ts b/src/lib/models/Group.ts
index bd0e86d..b2b5bf9 100644
--- a/src/lib/models/Group.ts
+++ b/src/lib/models/Group.ts
@@ -135,7 +135,7 @@ export class Group extends Model<Group> {
      * @param userId
      * @param request
      */
-    public async joined({userId}: { userId: number }, request: any): Promise<boolean> {
+    public async joined({userId}: { userId?: number }, request: any): Promise<boolean> {
         userId = userId ?? request.session.userId;
         if (userId) {
             const members = await this.$get("rMembers", {where: {id: userId}}) as User[];
@@ -144,4 +144,18 @@ export class Group extends Model<Group> {
             return false;
         }
     }
+
+    /**
+     * Returns if the group is deletable by the given user
+     * @param userId
+     * @param request
+     */
+    public async deletable({userId}: {userId?: number}, request: any): Promise<boolean> {
+        userId = userId ?? request.session.userId;
+        if (userId) {
+            return this.creatorId === userId;
+        } else {
+            return false;
+        }
+    }
 }
diff --git a/src/routes/UploadRoute.ts b/src/routes/UploadRoute.ts
index 420a473..18784e1 100644
--- a/src/routes/UploadRoute.ts
+++ b/src/routes/UploadRoute.ts
@@ -193,6 +193,7 @@ export class UploadRoute extends Route {
     private async processAndStoreImage(data: Buffer, width = 512, height = 512,
                                        fit: ImageFit = "cover"): Promise<string> {
         const fileBasename = UploadRoute.getFileName() + "." + config.get("api.imageFormat");
+        await fsx.ensureDir(this.dataDir);
         const filePath = path.join(this.dataDir, fileBasename);
         let image = await sharp(data)
             .resize(width, height, {
diff --git a/yarn-error.log b/yarn-error.log
index 00bd400..d0380b8 100644
--- a/yarn-error.log
+++ b/yarn-error.log
@@ -1,5 +1,5 @@
 Arguments: 
-  /usr/bin/node /usr/bin/yarn add @types/legit --dev
+  /usr/bin/node /usr/bin/yarn add @types/markdown-it-html5-media --dev
 
 PATH: 
   /home/trivernis/Documents/Programming/node/greenvironment-server/node_modules/.bin:/usr/local/sbin:/usr/local/bin:/usr/bin:/opt/cuda/bin:/opt/intel/mediasdk/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl
@@ -14,7 +14,7 @@ Platform:
   linux x64
 
 Trace: 
-  Error: https://registry.yarnpkg.com/@types%2flegit: Not found
+  Error: https://registry.yarnpkg.com/@types%2fmarkdown-it-html5-media: Not found
       at Request.params.callback [as _callback] (/usr/lib/node_modules/yarn/lib/cli.js:66947:18)
       at Request.self.callback (/usr/lib/node_modules/yarn/lib/cli.js:140665:22)
       at Request.emit (events.js:321:20)
@@ -88,6 +88,8 @@ npm manifest:
       "typescript": "^3.7.2"
     },
     "dependencies": {
+      "@types/body-parser": "^1.17.1",
+      "body-parser": "^1.19.0",
       "compression": "^1.7.4",
       "config": "^3.2.4",
       "connect-session-sequelize": "^6.0.0",
@@ -108,6 +110,7 @@ npm manifest:
       "legit": "^1.0.7",
       "markdown-it": "^10.0.0",
       "markdown-it-emoji": "^1.4.0",
+      "markdown-it-html5-media": "^0.6.0",
       "pg": "^7.12.1",
       "pug": "^2.0.4",
       "reflect-metadata": "^0.1.13",
@@ -165,7 +168,7 @@ Lockfile:
     resolved "https://registry.yarnpkg.com/@types/bluebird/-/bluebird-3.5.29.tgz#7cd933c902c4fc83046517a1bef973886d00bdb6"
     integrity sha512-kmVtnxTuUuhCET669irqQmPAez4KFnFVKvpleVRyfC3g+SHD1hIkFZcWLim9BVcwUBLO59o8VZE4yGCmTif8Yw==
   
-  "@types/body-parser@*":
+  "@types/body-parser@*", "@types/body-parser@^1.17.1":
     version "1.17.1"
     resolved "https://registry.yarnpkg.com/@types/body-parser/-/body-parser-1.17.1.tgz#18fcf61768fb5c30ccc508c21d6fd2e8b3bf7897"
     integrity sha512-RoX2EZjMiFMjZh9lmYrwgoP9RTpAjSHiJxdp4oidAQVO02T7HER3xj9UKue5534ULWeqVEkujhWcyvUce+d68w==
@@ -879,7 +882,7 @@ Lockfile:
     resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.7.1.tgz#df70e302b471d7473489acf26a93d63b53f874de"
     integrity sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==
   
-  body-parser@1.19.0:
+  body-parser@1.19.0, body-parser@^1.19.0:
     version "1.19.0"
     resolved "https://registry.yarnpkg.com/body-parser/-/body-parser-1.19.0.tgz#96b2709e57c9c4e09a6fd66a8fd979844f69f08a"
     integrity sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
@@ -1743,6 +1746,11 @@ Lockfile:
       engine.io-parser "~2.2.0"
       ws "^7.1.2"
   
+  entities@~1.1.1:
+    version "1.1.2"
+    resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
+    integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
+  
   entities@~2.0.0:
     version "2.0.0"
     resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.0.tgz#68d6084cab1b079767540d80e56a39b423e4abf4"
@@ -3246,6 +3254,13 @@ Lockfile:
     resolved "https://registry.yarnpkg.com/markdown-it-emoji/-/markdown-it-emoji-1.4.0.tgz#9bee0e9a990a963ba96df6980c4fddb05dfb4dcc"
     integrity sha1-m+4OmpkKljupbfaYDE/dsF37Tcw=
   
+  markdown-it-html5-media@^0.6.0:
+    version "0.6.0"
+    resolved "https://registry.yarnpkg.com/markdown-it-html5-media/-/markdown-it-html5-media-0.6.0.tgz#ed82bbdaec0545ba0879f0454c5a9d73171d3a76"
+    integrity sha512-3zxk00H5adz5n/LaC+yncTfZhSxa7igVKsKNfegUJw7gNAxMEA7D6YLHzSM+isJSnTLbiqU7663hfitv/ybzeg==
+    dependencies:
+      markdown-it "^8.4.0"
+  
   markdown-it@^10.0.0:
     version "10.0.0"
     resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-10.0.0.tgz#abfc64f141b1722d663402044e43927f1f50a8dc"
@@ -3257,6 +3272,17 @@ Lockfile:
       mdurl "^1.0.1"
       uc.micro "^1.0.5"
   
+  markdown-it@^8.4.0:
+    version "8.4.2"
+    resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-8.4.2.tgz#386f98998dc15a37722aa7722084f4020bdd9b54"
+    integrity sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==
+    dependencies:
+      argparse "^1.0.7"
+      entities "~1.1.1"
+      linkify-it "^2.0.0"
+      mdurl "^1.0.1"
+      uc.micro "^1.0.5"
+  
   matchdep@^2.0.0:
     version "2.0.0"
     resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"
diff --git a/yarn.lock b/yarn.lock
index e877cd3..8c6b810 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1613,6 +1613,11 @@ engine.io@~3.4.0:
     engine.io-parser "~2.2.0"
     ws "^7.1.2"
 
+entities@~1.1.1:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/entities/-/entities-1.1.2.tgz#bdfa735299664dfafd34529ed4f8522a275fea56"
+  integrity sha512-f2LZMYl1Fzu7YSBKg+RoROelpOaNrcGmE9AZubeDfrCEia483oW4MI4VyFd5VNHIgQ/7qm1I0wUHK1eJnn2y2w==
+
 entities@~2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/entities/-/entities-2.0.0.tgz#68d6084cab1b079767540d80e56a39b423e4abf4"
@@ -3116,6 +3121,13 @@ markdown-it-emoji@^1.4.0:
   resolved "https://registry.yarnpkg.com/markdown-it-emoji/-/markdown-it-emoji-1.4.0.tgz#9bee0e9a990a963ba96df6980c4fddb05dfb4dcc"
   integrity sha1-m+4OmpkKljupbfaYDE/dsF37Tcw=
 
+markdown-it-html5-media@^0.6.0:
+  version "0.6.0"
+  resolved "https://registry.yarnpkg.com/markdown-it-html5-media/-/markdown-it-html5-media-0.6.0.tgz#ed82bbdaec0545ba0879f0454c5a9d73171d3a76"
+  integrity sha512-3zxk00H5adz5n/LaC+yncTfZhSxa7igVKsKNfegUJw7gNAxMEA7D6YLHzSM+isJSnTLbiqU7663hfitv/ybzeg==
+  dependencies:
+    markdown-it "^8.4.0"
+
 markdown-it@^10.0.0:
   version "10.0.0"
   resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-10.0.0.tgz#abfc64f141b1722d663402044e43927f1f50a8dc"
@@ -3127,6 +3139,17 @@ markdown-it@^10.0.0:
     mdurl "^1.0.1"
     uc.micro "^1.0.5"
 
+markdown-it@^8.4.0:
+  version "8.4.2"
+  resolved "https://registry.yarnpkg.com/markdown-it/-/markdown-it-8.4.2.tgz#386f98998dc15a37722aa7722084f4020bdd9b54"
+  integrity sha512-GcRz3AWTqSUphY3vsUqQSFMbgR38a4Lh3GWlHRh/7MRwz8mcu9n2IO7HOh+bXHrR9kOPDl5RNCaEsrneb+xhHQ==
+  dependencies:
+    argparse "^1.0.7"
+    entities "~1.1.1"
+    linkify-it "^2.0.0"
+    mdurl "^1.0.1"
+    uc.micro "^1.0.5"
+
 matchdep@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/matchdep/-/matchdep-2.0.0.tgz#c6f34834a0d8dbc3b37c27ee8bbcb27c7775582e"