Find artists: https://mastodon.online/@FediFollows/tagged/art
Comics: https://mastodon.online/@FediFollows/tagged/comics
Cat pictures, etc.: https://mastodon.social/@gargron
More recommendations: https://mastodon.online/@FediFollows/108521414258703203
If you would like, I'm [@karmanyaahm@social.linux.pizza](https://social.linux.pizza/@karmanyaahm) (you can see who I follow and whether they interest you)
As for using Mastodon, I would highly recommend getting an app like Tusky to have a proper 'all in one' experience.