Oh gawd, Pinkie Pie. You're trashing Paint Tool SAI... I don't think Rainbow Dash approves. And Twilight still doesn't understand the laws of Pinkie.
Twilight's Room Background [link]
Pinkie Pie Cutie Mark [link]
Twilight Sparkle Cutie Mark [link]
Tool: Wacom Bamboo Splash
Program: Paint Tool SAI (drawing) GIMP (editing screenshot)