Done for Equestria Daily's "Artist Training Grounds - Wonderbolts Academy Edition". [link]
The moment I read of the suggestion to get non-pegasus ponies flying, I tought that the only proper way to get them to the air is by a comicly giant sling shot. This is what the nameless OC unicorn is using to test his/her magical gliding wings.
Acrylics on a 12 x 18 cm canvas board.
A speed painting video also available: [link]