One extremely useful option that I use is the under Miscellaneous Options in General Settings:

Miscellaneous Options
Message Editor...

Anytime burping girl.

To embed a Youtube video into your post rather than hyper linking it off site there is a shortcut in the message toolbar.

The tags used to do this are below after using [] in place of ():...

One thing I've noticed, which is odd, is that there is no quick-link to the usercp page.

Mod approval. Dang. Now I have to do it. lol

Might be a while cause I'm a bloody perfectionist.

I've just about figured everything out now and am considering doing a complete guide.

reserved

I'll be posting my forum tips here such as I just increased the Number of Posts to Show Per Page to maximum in General Settings and much preferring it.