Wanting to write a fic and have no idea what to write or have an idea but no actual fic writing ability? Post it here in comments!
A couple of multi-fandom challenge communities to get you started.
smallfandomfest au_bingo schmoop_bingo hs_bingo (high school bingo)
kissbingo hc_bingo 50prompts drabble123 5sentence_fics lover100 mudane_bingo (on dreamwidth)
kink_bingo (on dreamwidth)
Rec me any multifandom challenge communities that also fit and I'll add them to the list.
This post will be added as a link on the sidebar to keep track.