>> knowing myself, it'll be a mix of fanart (mostly doodles, maybe drawn icons), <<

It'll be fun to get some art in the mix.

>> linkspams to other people's fanworks I enjoy, and rambling about [insert fandom here]. I'm kinda using this as extra motivation to get my thoughts in order and make posts I alread wanted to but keep putting off.<<

Go you!

>> I enjoy dark themes and smut <<

You might like terror_sffa and consider crossposting or linking there if you make some dark-themed posts.