It's been a while since I've put compiled the FA raffles available. Here are some I encourage you to take part in:

FREE ART RAFFLE read description By Vtza
https://www.furaffinity.net/view/46695825/

FREE ART RAFFLE By Ashwolves5
https://www.furaffinity.net/journal/10185913/

FREE guro/gore art for male OCs! By InvaderPichu
https://www.furaffinity.net/journal/10184356/

Art raffle! By cocicka
https://www.furaffinity.net/view/46458567/

OPEN! Free art RAFFLE ! OPEN By -IGNITUS-
https://www.furaffinity.net/view/46520824/

Road to 3K Raffle By Ziggy-Zerda
https://www.furaffinity.net/journal/10192423/