Damn-it Rainbow you ruined the shot!

(story behind it) Twilight and Spike were posing next to a tree at my college campus for a photo and Rainbow noticed a ton of snow on the branches above, and well...

On a more serious note: Do any of you other PIRL artists out there have experience with Paint.net? Because I have a bunch of other photos that I want to edit ponies into that would look a hell of allot better with shadows added to them, but I don't know how to do so.

Vector belongs to