???please can someone help me???please

[ntwoh]

So one of my friends sold me his htc touch pro and i really like it but i dont know how to make it look all cool looking like alot of of the ones ive seen. it would be nice to have a different clock or maybe some new themes that look cool. i barely know how to use the phone so if someone could help me i would appreicate it greatly!!!..i dont have a cord to hook up to my laptop also so i guess i have to download everything strait to my phone??correct??please help me im clueless