if you are looking at a picture in an album (in photobucket.com), you will see a bunch of code underneath. "email & IM", "Direct Link", "HTML Code" and then there is the last one "IMG Code". That is the one you are interested in. Copy every thing in the box starting with "[IMG.]" and ending with "[/IMG.]" (except without the last dot there in the end. I put that dot there, so that the code wouldn't work.).
If you right-click most any image on the internet and select "Properties", it has an address. For example the Caferacer.net logo at the top of this page. If you right click on it and select properties, you will see it's URL or 'internet address'. It is
http://www.caferacer.net/images/ovallogo.gif What that means is that on the web site caferacer.net, there is a folder called "images" and in that folder is the image ovallogo.gif. in order for the software of this message board to interpret that as a picture, you need to add a little code. That code is [IMG.] for image and [/IMG.] to let it know that it's the end of the address for that image.
so if you wanted to add that logo to your post you would post it like this:
http://www.caferacer.net/images/ovallogo.gif[/img.] (except without the last dot there in the end. I put that dot there, so that the code wouldn't work.)
[img]http://www.caferacer.net/images/ovallogo.gif