Below are some common sizes of images used on Proboards.com

On/Off Icons = (15 x 15)-(30 x 30)-(50 x 50)	Avatars = (65 x 65)-(100 x 100)
Menu Buttons = (60 x 15)-(90 x 20)	Affiliate Banners = (88 x 31)-(100 x 35)

Userbars = (350 x 19)

Signature Banners = (350 x 175)-(400 x 100)-(450 x 150)-(500 x 250)

Forum Banners = (620 x 120)-(700 x 150)-(700 x 200)-(800 x 200)

Splash Page = (400 x 400)-(500 x 500)-(600 x 600)

Additional help

Where can I host my images?	Where can I find free fonts.
ImageShack Photobucket Imageuploading Uploadit Ripway	Dafont Weppage Publicity Fontface 1001 Fonts

Thank you to :Miss:Kerri: for making the above images