So, the title pretty much says it all, you can feel free to donate after you see the poster. The only requirement is that you add me on Steam. I also accept anything in donations.
Here is my Steam profile: http://steamcommunity.com/id/hornkie/
Here are some of my SFM posters I have made:
http://imgur.com/WE9Tttf
http://imgur.com/wPlMs0v
http://imgur.com/KWMf2S2
http://imgur.com/BpQYk64
http://imgur.com/yhtakv9
So, if you're interested, please feel free to add me. You can feel free to comment below, but your request may not be worked on if you do.