You simply select the 'submissions' tab on the main site, then select 'records', then the game you want, then which 'type', as in, Levels, Bosses, Kart races, Scores etc., then scroll down to the appropriate division and key in your stats.
Just dont lie :o
And while I'm at it:
"SMACK ME IN THE FACE WITH A TIRE IRON :)"
Fuck the rest of you catchphrase stealing bastards :o