Head Shots - Busts
Black, White and Tone: $10
Fat Colors: $15
Quick Shading: $20

Half Body
Black, White and Tone: $20
Flat Colors: $25
Quick Shading: $30

Full Body
Black, White and Tone: $30
Flat Colors: $40
Quick Shading: $50

Additional Stuff
Simple Props: +$5
Simple Backgrounds: + $5
Complex Backgrounds and Additional Characters are the cost of the slot.*

TOS: http://www.furaffinity.net/journal/8154305/

Examples:
Full body Black, White and Tone: http://www.furaffinity.net/view/20688837/ and http://www.furaffinity.net/view/20688863/
Full Body Flat Color with Props and Complex Background: http://www.furaffinity.net/view/20960279/
Full Body Shaded with Prop and Complex Background: http://www.furaffinity.net/view/22157677/

*Additional costs may be required for extremely complex or mechanical backgrounds.