Improve README

README.md

@@ -12,6 +12,8 @@ A sample demonstrating how to record an HLS stream using LibVLCSharp in a .NET C
 
 ## [RTSP Mosaic sample](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/VideoMosaic)
 
+<img src="https://mfkl.github.io/assets/mosaic-ios.png" Width="220" /> <img src="https://mfkl.github.io/assets/mosaic-android.png" Width="220" />
+
 Short Xamarin.Forms sample demonstrating how to build a mosaic-style RTSP player (iOS/Android). [Blog post](https://mfkl.github.io/libvlc/rtsp/xamarin/forms/2018/12/05/crossplatform-RTSP-mosaic-views-with-libvlcsharp.html)
 
 ## [ForegroundBackground](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/ForegroundBackground)
@@ -21,6 +23,8 @@ It shows one way to deal with this on Android with LibVLCSharp.Forms on Xamarin.
 
 ## [PulseMusic](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/PulseMusic)
 
+<img src="https://mfkl.github.io/assets/pulse-music-concept.gif"/> <img src="https://mfkl.github.io/assets/pulse-music-playback.gif" Width="220" />
+
 PulseMusic is an audio player sample showcasing use of Skia and LibVLCSharp to implement great UX player view. [Blog post](https://mfkl.github.io/libvlc/skia/xamarin/forms/ux/2018/12/31/PulseMusic-music-player-design.html)
 
 ## [LibVLCSharp.PHP](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/LibVLCSharp.PHP)
@@ -33,16 +37,28 @@ A VB.NET (Visual Basic) sample that uses LibVLCSharp.
 
 ## [Gestures](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/Gestures/Gestures)
 
+<img src="https://mfkl.github.io/assets/gestures.gif" Width="200"/>
+
 2 cross-platform gestures samples showcasing how to use the Xamarin.Forms crossplatform gestures to control the video position, volume level and 360 viewpoint. [Blog post](https://mfkl.github.io/libvlc/360/xamarin/forms/ux/2019/02/12/Fun-with-crossplatform-gestures-and-360-videos.html)
 
 ## [LocalNetwork](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/LocalNetwork)
 
+<p>
+<video width="640" height="360" controls>
+  <source src="/assets/localnetwork-record.mp4" type="video/mp4">
+</video>
+</p>
+
 Xamarin.Forms sample showcasing local network browsing and playback of network shares (SMB, UPnP) on Android, iOS and WPF from 100% shared code. [Blog post](https://mfkl.github.io/libvlc/crossplatform/xamarin/forms/2019/07/02/Crossplatform-local-network-browsing-and-media-playback.html)
 
 ## [MediaPlayerElement](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/MediaElement)
 
+<img src="https://mfkl.github.io/assets/media-element-iphone.png"/>
+
 Minimal Xamarin.Forms sample to get up and running quickly with the MediaPlayerElement from LibVLCSharp.Forms. [Blog post](https://mfkl.github.io/libvlc/crossplatform/xamarin/forms/2019/08/13/MediaPlayerElement-Plug-and-play-LibVLCSharp-UI-video-control.html)
 
 ## [Preview Thumbnailer](https://code.videolan.org/mfkl/libvlcsharp-samples/tree/master/PreviewThumbnailExtractor)
 
+<img src="https://pbs.twimg.com/media/EMtC5TVUcAA2VMD?format=jpg&name=medium"/>
+
 .NET Core crossplatform sample showing how to use the LibVLC 3 video callbacks API to extract frames and save them to disk with ImageSharp or Skia.