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This is a great place to start it it could use some updates. Looks like the last update was 3 years ago.
It looks like some things need to be updated. Picture of the week is an examble
I've referred to this article many times...both for myself and to point it out to new members that aren't real familiar with BYC. There are links that explain everything from how to add pictures, change an avatar to how to turn off advertising. And the demo on how to use BYC is helpful.