This is a bit late, but i never realized i never commented here. This is Calm Wind from Fimfiction. I've been writing for the Wonderbolts for several years now and when i came across this image i ended up putting it on my front page in a section where i talk about my Wonderbolt stories and Characters. (I gave full credit and linked to your page as well) I've become very attached to these characters over time and this is one of the best pictures i have ever seen of them