Guide/Tutorial for Theming?

i've looked through several theming websites , have tried googling , have ended frustrated.

there guides or tutorials on how install themes , tweaks? stuff how change app icons or carrier logos or install widgets etc.

tips/links appreciated

 

you're kidding right?
couldn't paste "tutorial theming?" google"
here need. theming in minutes.
https://www.google.com/#sclient=psy....,cf.osb&fp=56b29855dcbb8883&biw=1205&bih=647

 

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