Any MUST DO thingies for vb3 hacking?

[Velocd]

Also never hard code text (especially HTML) in PHP files. It's very bother some when hackers do such.

Why are phrases good for?

There is a language option with phrases. For the most part, people will probably use standard english, but if you would like to add another language for all phrases you can. (although that would be immensely time consuming, and altavista would be much faster).

It also puts all the text in one area and categorizes them. Easy to access and modify, especially for one who isn't savvy with vBulletin.