How Do You Upload Pictures On To Your Computer Using A Nixon Coolpix Camera?

I Just Recently Got A Camera For My 15th Birthday,, N I Took Sum Picturess To Upload To Myspace, Facebook, etc. I Took The Pictures, Installed Nixon Transfer, Used My USB Cord To Plug It Into My Computer, Went To Computer:Devices/Removable Storage.....And It Dosent Show Up. I Dnt Understandd Wat I Did Wrong Plz Help!!!