diff --git a/src/components/structures/login/Login.js b/src/components/structures/login/Login.js
index 59d8c74022..8848a33deb 100644
--- a/src/components/structures/login/Login.js
+++ b/src/components/structures/login/Login.js
@@ -18,7 +18,7 @@ limitations under the License.
 'use strict';
 
 import React from 'react';
-import { _t } from '../../../languageHandler';
+import { _t, _tJsx } from '../../../languageHandler';
 import ReactDOM from 'react-dom';
 import sdk from '../../../index';
 import Login from '../../../Login';
diff --git a/src/components/views/elements/PowerSelector.js b/src/components/views/elements/PowerSelector.js
index f12ef3ac9d..a4a117b9cb 100644
--- a/src/components/views/elements/PowerSelector.js
+++ b/src/components/views/elements/PowerSelector.js
@@ -118,7 +118,7 @@ module.exports = React.createClass({
             });
             options.push({ value: "Custom", text: "Custom level" });
             options = options.map((op) => {
-                return <option value={op.value}>{op.text}</option>;
+                return <option value={op.value} key={op.value}>{op.text}</option>;
             });
 
             select =
diff --git a/src/components/views/messages/RoomAvatarEvent.js b/src/components/views/messages/RoomAvatarEvent.js
new file mode 100644
index 0000000000..525f7b81ee
--- /dev/null
+++ b/src/components/views/messages/RoomAvatarEvent.js
@@ -0,0 +1,92 @@
+/*
+Copyright 2017 Vector Creations Ltd
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+import React from 'react';
+import MatrixClientPeg from '../../../MatrixClientPeg';
+import { ContentRepo } from 'matrix-js-sdk';
+import { _t, _tJsx } from '../../../languageHandler';
+import sdk from '../../../index';
+import Modal from '../../../Modal';
+import AccessibleButton from '../elements/AccessibleButton';
+
+module.exports = React.createClass({
+    displayName: 'RoomAvatarEvent',
+
+    propTypes: {
+        /* the MatrixEvent to show */
+        mxEvent: React.PropTypes.object.isRequired,
+    },
+
+    onAvatarClick: function(name) {
+        var httpUrl = MatrixClientPeg.get().mxcUrlToHttp(this.props.mxEvent.getContent().url);
+        var ImageView = sdk.getComponent("elements.ImageView");
+        var params = {
+            src: httpUrl,
+            name: name,
+        };
+        Modal.createDialog(ImageView, params, "mx_Dialog_lightbox");
+    },
+
+    render: function() {
+        var ev = this.props.mxEvent;
+        var senderDisplayName = ev.sender && ev.sender.name ? ev.sender.name : ev.getSender();
+        var BaseAvatar = sdk.getComponent("avatars.BaseAvatar");
+
+        var room = MatrixClientPeg.get().getRoom(this.props.mxEvent.getRoomId());
+        var name = _t('%(senderDisplayName)s changed the avatar for %(roomName)s', {
+                senderDisplayName: senderDisplayName,
+                roomName: room ? room.name : '',
+        });
+
+        if (!ev.getContent().url || ev.getContent().url.trim().length === 0) {
+            return (
+                <div className="mx_TextualEvent">
+                    { _t('%(senderDisplayName)s removed the room avatar.', {senderDisplayName: senderDisplayName}) }
+                </div>
+            );
+        }
+
+        var url = ContentRepo.getHttpUriForMxc(
+                    MatrixClientPeg.get().getHomeserverUrl(),
+                    ev.getContent().url,
+                    14 * window.devicePixelRatio,
+                    14 * window.devicePixelRatio,
+                    'crop'
+                );
+
+        // it sucks that _tJsx doesn't support normal _t substitutions :((
+        return (
+            <div className="mx_RoomAvatarEvent">
+                { _tJsx('$senderDisplayName changed the room avatar to <img/>',
+                         [
+                            /\$senderDisplayName/,
+                            /<img\/>/,
+                         ],
+                         [
+                            (sub) => senderDisplayName,
+                            (sub) =>
+                                <AccessibleButton key="avatar" className="mx_RoomAvatarEvent_avatar"
+                                                  onClick={ this.onAvatarClick.bind(this, name) }>
+                                    <BaseAvatar width={14} height={14} url={ url }
+                                                name={ name } />
+                                </AccessibleButton>,
+                         ]
+                    )
+                }
+            </div>
+        );
+    },
+});
diff --git a/src/components/views/messages/TextualEvent.js b/src/components/views/messages/TextualEvent.js
index 8319dbd434..088f7cbbc6 100644
--- a/src/components/views/messages/TextualEvent.js
+++ b/src/components/views/messages/TextualEvent.js
@@ -24,6 +24,11 @@ import sdk from '../../../index';
 module.exports = React.createClass({
     displayName: 'TextualEvent',
 
+    propTypes: {
+        /* the MatrixEvent to show */
+        mxEvent: React.PropTypes.object.isRequired,
+    },
+    
     render: function() {
         const EmojiText = sdk.getComponent('elements.EmojiText');
         var text = TextForEvent.textForEvent(this.props.mxEvent);
diff --git a/src/components/views/rooms/EventTile.js b/src/components/views/rooms/EventTile.js
index d9a6925793..e527f53170 100644
--- a/src/components/views/rooms/EventTile.js
+++ b/src/components/views/rooms/EventTile.js
@@ -38,6 +38,7 @@ var eventTileTypes = {
     'm.call.answer' : 'messages.TextualEvent',
     'm.call.hangup' : 'messages.TextualEvent',
     'm.room.name'   : 'messages.TextualEvent',
+    'm.room.avatar' : 'messages.RoomAvatarEvent',
     'm.room.topic'  : 'messages.TextualEvent',
     'm.room.third_party_invite' : 'messages.TextualEvent',
     'm.room.history_visibility' : 'messages.TextualEvent',
diff --git a/src/i18n/strings/en_EN.json b/src/i18n/strings/en_EN.json
index 15aa3916bc..95baf1f50e 100644
--- a/src/i18n/strings/en_EN.json
+++ b/src/i18n/strings/en_EN.json
@@ -776,5 +776,8 @@
   "Online": "Online",
   "Idle": "Idle",
   "Offline": "Offline",
-  "Disable URL previews for this room (affects only you)": "Disable URL previews for this room (affects only you)"
+  "Disable URL previews for this room (affects only you)": "Disable URL previews for this room (affects only you)",
+  "$senderDisplayName changed the room avatar to <img/>": "$senderDisplayName changed the room avatar to <img/>",
+  "%(senderDisplayName)s removed the room avatar.": "%(senderDisplayName)s removed the room avatar.",
+  "%(senderDisplayName)s changed the avatar for %(roomName)s": "%(senderDisplayName)s changed the avatar for %(roomName)s"
 }