and aren't you sopposed to use these [ instead these < (on these forums at least)
That would depend on whether your using BBCode or html (if it's even enabled).
I've done all the FAQ says to allow HTML and it isn't working at all.
the allowed tags field is entered like this:
I would have to agree with the others on the html, body & embed
and the rest of those are easily handled by BBCode, so not sure you really need to use html over BBCode. But if you want to enable html, I would use just b,i,u,img