How to make a .GIF
Firstly, you'll need an image animation program. I prefer GIMP.
Gimp For Windows
Gimp For Macintosh
1. Creating multiple layers or slides
Since an animated GIF is just different slides put together, you first need to create them. Go into Microsoft paint or whatever program you use and create a new document. Just create something basic like a dot. Save this as a .png and create another document (same size as last) and place a dot, just a little moved over. Keep doing this for about 5 slides or something.
2. Next open GIMP.
First thing to do is hit control+L which brings up layers. Open where you saved the circles, and drag and drop each one into the layers thing. Make sure they're in order or else it won't work correctly. Go to window>animation>playback.
Hit play and it will show the circles moving.
3. Important stuff about gimp
How to save
Go to save as. Open it and type in YOURFILENAMEHERE.gif gimp will automatically save it as a gif when you type in .gif.
How to set a transparency
Use the wand brush tool, click on the white, and hit control+x. It will delete the white and leave transparent.
Questions? Ask me
P.s. I'll add a video soon