105 deviants said 30 dollars US - seems fair, you don't wanna go overboard
79 deviants said Specific amount, or depends on circumstances ( comment )
62 deviants said 50 dollars US - it will be great art, pay up!
45 deviants said 20 dollars US - sounds good, but maybe not much for 15 hours of work
33 deviants said 10 dollars US - nice and cheap, he can't say no
27 deviants said more than 50 - That may very well kill the deal though, he's not made of money
17 deviants said Do it for free ya cheapskate - it's good publicity