OS X Screencast to animated GIF This gist shows how to create a GIF screencast using only free OS X tools: QuickTime, ffmpeg, and gifsicle. Instructions To capture the video (filesize: 19MB), using the free "QuickTime Player" application:
Upload images to GitHub Create a new issue on GitHub. Drag an image into the comment field. Wait for the upload process to finish. Copy the URL and use it in your Markdown files on GitHub.