Original Description:
This is apparently officially licensed artwork, which would explain the strong resemblance to the early/beta renders of the characters. The company that published this does painting classes in multiple locations in the US.
On another event page on the same website:
MY LITTLE PONY ! All new images released for limited time in accordance to our partnership with Hasbro!
Painting with a Twist is EXCITED to announce an EXCLUSIVE Partnership with Hasbro and My Little Pony! Until Oct 31st watch for our LIMITED Time My Little Pony paintings as we celebrate the release of the My Little Pony movie! Kids love My Little Pony? Choose them for a Kids Party until Oct 31st!