Oh my there a just so many on my list:
Death Note
Blue exorcist
Sword Art Online
Log Horizon
Tokyo Ghoul
RWBY
AOT
Fairy Tail
BLEACH IS MY FAVOURITE
One piece
Tokyo esp
boku no pico (that was a joke do not watch it... just don't)
Gurren lagann
Mirai Nikki
FMAB...
just saying, but it shouldn't really be about the pictures people use for their rps, just because people say anime pictures doesn't mean you should turn away from a rp, it's more about the content of the rp than the pictures people use, that's why in my character sheets I usually say use anime...