Vector trace from one of the shots of the Wonderbolts Academy from Season 3, Episode 7.
First attempt at a landscape trace, quite happy with how it turned out!
The cloud gradients in particular were good practice...
Time: 17 hours
Reference screenshot (MLPFiM S03E07 - Wonderbolts Academy, 10:08; this also serves as a helpful guide for scaling ponies relative to the background):
This is also the default background for the "Spitfire" and "Soarin" themes on Ponyhoof
, an extension to ponify Facebook.