It'll be too much of a hassle to make a new commission sheet atm, so I'll just type this down for now.
Simple Background: +$10
Extra Characters: +$5-$10
Examples: http://www.furaffinity.net/view/17924691/ & http://www.furaffinity.net/view/17944998/ & http://www.furaffinity.net/view/17595601/ (slightly nsfw) & http://www.furaffinity.net/view/18211920/ (nsfw)
(I copy pasted this from FA-- so if some of you don't have FA accounts I'll be happy to send you a Weasyl link of the examples!)