Board Thread:Support Requests - Getting Started/@comment-33230496-20180407140545/@comment-1038387-20180407143615

If you know how to upload jpgs and pngs, you know you can upload them from your computer. No need to upload them to another site first.

If you want to make an actual moving gif file, there are plenty of programs for that. Have you tried just googling "how to make a gif"?