I've not yet started on the mascot, but have made a new banner!
I think for this one I might let fans suggest ideas for the "base coat".
Share photos of horses (Only post as links if to large and posting like 10 something ideas...)
I may or may not use the suggestions given, but may consider ideas from a suggestion as well and make changes or add to the design or color. (may even just make regular adopts using some of them if there a bunch of neat ones)
So post away some ideas, and don't feel afraid to share more than just a couple ^_-