sticky-bubblegum is doing a couple of ref sheets, which is pretty rare. She only has two slots, so if you're interested, check out her conditions

 pandastripe is in need of some funds and is doing inexpensive colored sketches. I, uh, I bought two. >.>

 anubislivess is a pretty legit dude, judging by our mini imgur battle. He's doing a free raffle to make cuddles with his character, and it'll be drawn by the amazing  higgyy! Go here for more details. (Psst. Read the rules.)

Finally,

 hypnotickitten is willing to do some pixel ref sheets that look pretty legit! Check out her offer here.