Further to Noel's much needed guide..
To add an Animated image "GIF"
This was recorded with free Screen2Gif https://screentogif.codeplex.com/releases/view/629927
was set @ 8 frames per sec at the bottom.
Just make sure it is 2meg or under in size after saving (if not shorten the record time) to upload as an image attachment.
If your uploaded image is only showing the link, right click link copy link/target Location then edit post and add image using the Image icon or inset the image link in the Link icon to open in new tab.

Open this animation image in new Tab



Adjust Screen2Gif to fit the area



Then Save Gif

Attached Files (Click to download or enlarge) (Only available when you are logged in)
BB_Screen2Gif_Capture.jpg (507.91 KB, 422 downloads)
BB_Screen2Gif_Save.jpg (496.41 KB, 400 downloads)