i was asked for tutorial so here we go:
1. open your video (format mp4!)
2.click on “window” and choose “animation”

3.
4.
5.Again click on this arrow and choose “flatten frames into layers”
6.Again click on arrow and choose “make frames from layers”
7.You will get this:
8. So you must move the marked arrow untill you’ll see image
9. Then you move marked element:
10.then click file -> save for Web and Devices
11.in the window you have ‘looping option’ so choose there ‘forever’
12. save
Of course you can edit gif, add curves, exposure etc.