I think you can get a good artist to work with you. Find one and make an appointment to discuss. Have them draw and redraw until you see your vision. Might cost you more but you will be happy. You might ask KSH how she came to her M-Dot I think she said it required a few re-draws.
Amanda
2011 Specialized Epic Comp 29er | Specialized Phenom | "Marie Laveau"
2007 Cannondale Synapse Carbon Road | Selle Italia Lady Gel Flow | "Miranda"
You don't have to be great to get started, but you do have to get started to be great. -Lee J. Colan