The Aquabats - Red Sweater. pinnacle of happiness.
also, Lovers of Loving Love. and Nerd Alert! and Hey, Luno! and lots of other Aquabats songs!
The Aggrolites- "Dirty Reggae"
Eels- "Fresh Feeling"
MC Paul Barman- "The Joy of Your World"
Toots & the Maytals- "Sweet and Dandy"
The Pietasters- "Drunken Master"
mc chris- "mc chris Ownz"
Satori- "Celebration"
The Phenomenauts- "Earth is the Best!"
Polysics- "Married to a Frenchman"
Tokyo Ska Paradise Orchestra- "Filmmakers Bleed" or "Down Beat Stomp" or something.
Ted Leo & the Pharmacists- "Where Have All the Rude Boys Gone?"
SNMNMNM- "Disco Barry!"
Chris Murray- "Rock Steady"
Reel Big Fish- "Trendy"
The Planet Smashers- "Unstoppable"
Gogol Bordello- "Not a Crime"
The Vandals- "I Have a Date"
The Presidents of the United States of America- "Tiny Explosions" or "Love Everybody"
Pixies- "Oh My Golly!"
Descendents- "I Like Food"
the pillows- "Happy Bivouac"
Hepcat- "Dance Wid' Me"
Del tha Funky Homosapien- "If You Must"
The Mighty Mighty Bosstones- "Dogs and Chaplains"
Peelander-Z- "S.T.E.A.K."
The Impossibles- "Face First!"
MU330- "Rocket Fuel"
The Most Serene Republic- "Relative's Eyes"
The Promise Ring- "Skips a Beat (Over You)"
that's all i could think of. good luck!