I liked the art and the songs, SPECIALLY the songs
I didn´t finded any glitches at all, but Pico´s legs look like they are made of wood, not really a bad flaw, but he needs some shorts at least :P You deserved Pico Day 1st place Award, congrats!
And for those that want the medals:
Big Wet Juicy Kiss: In level 5, when you are on the last conveyor belt, drop down at the end of it, you will see some crates, destroy the first one, and there, you got it.
Twice the Fun: In level 8, at the start, you will see 2 conveyor belts, one, drops you down to the cart, if you go to the farthest one, continue until the end, and destroy the last crate, there is Darnell.
Meat is Murder: Get to the boss without killing any enemies.
Vulgar Display of Power: Not a hard one, kill all the kids at the first level.
Dude, its my Turn: Kill the kids at the arcade, and play their games. (Use E)