How do I make a border in photoshop CS2?

[the_fat_panther]

I would like to make a 1-10 pixel white border around a signature I made for some forums. Unfortunately the forums are black backgrounded and most of my picture has black in it. So how do I make a small plain white border?

[muckandme]

This site has some great PS tutorials.

http://www.tutorialized.com/tutorials/Photoshop/Photo-Retouch/3