Paypal only. Once you've commented, we'll talk about payment over PM.
Once you purchase the adopt, you can change whatever you please. They are yours!
Buyer will get a hi-resolution image of the character without a background, and the background it comes with WITHOUT the watermark. They'll also get the linework with transparency in hi-resolution.
If you want a custom adoptable of this species (or any other), please message me and we can set something up.