Just wanna ask how do i upload a default pic for my profile if i use the ipad forum application for the ipad?

Sent from my iPad

If you're viewing ipadforums.net and not using the app, then click on the 'User CP' button. A panel will open up on the left of the screen and there you can edit/change your avatar or upload a picture of yourself. This can't be done (easily) from the app - so better to use Safari.

Tim