Not a worry Mandy! And yes, it is somewhat tricky now...

The only tip to remember is that HTML works like this (without the spaces):
E.g. [ code] write your text [ /code]

Also, just remember the important codes:
For bold, the code => [ b] write word [ /b]
For italics, the code => [ i] write [ /i]
To quote something, the code = [ quote]blah blah [ /quote]

Or click the link (to get the list): http://forums.psychcentral.com/faq.php?Cat=#html