Wow, I had completely forgotten about this! XD What a pleasant surprise to start my day!
See Tempest? Spreading joys to others is its own reward. For the record though, I doubt Derpy holds grudges anyway. Either way, sweet pic!
Oh. Well, I've never seen any MLP pre-G4 and I've personally never bought into that whole 'Derpy is Dinky's Mom' thing. Awesome as Derpy is, I'd have an easier time believing she's Dinky's older sibling over her mother.