I've never done one of these before and I am trying to raise money for a trip =D

Starting Bid: $5
Bid increment: $5
Auto buy: $75

-The picture will be flat-color for the winner, simple BG
-If the bid reaches $25 I will shade it with a simple BG
-If the bid reaches $50 the image will be shaded with a a complex BG/scene of your choice
- If Autobuy the image will be shaded with a a complex BG/scene plus another sketch of the character

-Auction ends Saturday at 8 pm PST
-If there is a bidding war/sniper when the auction closes, 20 minutes from the last bid is the winner to keep it fair
-The image will be done by Nov. 1st
-I prefer Paypal

Any gender/species that will work with the image (ie no dolphins/horses). Felines, canines and dragons are great for example. I can change the lineart a bit to fit in accessories/horms/wings/etc. CLEAN ONLY. I will not add extra parts!