I havent booted up SFM in a while but I think i can still make ok sfm posters each for 10 refined or more, send me a trade if you need one, trade url below.

Trade Url: https://steamcommunity.com/tradeoffer/new/?partner=451691121&token=2tt0zSqg

I also have a deviantart where I posted my sfm posters and some poor pixel art, go check it out: https://www.deviantart.com/zapthedrawer