I do not believe Lemmy internally handles things like gif or videos or photo album posts currently. To do that is best to just use a third party service and post the link to it. I’m sure other lemmings can point you to good services for this.
DcComics and the marvel subreddit would be my biggest likes to see. I just don’t have the knowledge to do it myself otherwise I would.
I wish i could find a slow eater dog bowl for my dog that fits one of these stands. I just have to use milk crates to elevate his food and water