>Will the Special SSI Tag that BlogBomb creates work on a
>.php webpage or is there something special that I need to
I don't know php at all, so I can't give you a god answer...But I can tell you to give it a try and see what happens, you won't break anything.
I'm not sure if you need an SSI or php include? Maybe someone that knows php better will let us know.
Sorry I couldn't be of any help...