@Cocoybuilder456 Sorry for my late response but you did not tag me in the reply like I do now.
Anyway, it's really easy: 
This also works with images. Just make sure there are no spaces between the characters. 😃
What do you mean exactly? Posting GIFs on the website when you upload your craft, or on the craft physically?
(that last one is not possible to my knowledge)
@JBPAviation it's okay brow I understand
@Cocoybuilder456 Sorry for my late response but you did not tag me in the reply like I do now.
Anyway, it's really easy:

This also works with images. Just make sure there are no spaces between the characters. 😃
I mean how to add a Gif if I post a project
What do you mean exactly? Posting GIFs on the website when you upload your craft, or on the craft physically?
(that last one is not possible to my knowledge)