Good on him. It's about time someone did something about it, I'm sick of seeing Jesus pictures everywhere.
To hyperlink text, highlight it, and press the link button up the top of the text box (the one with the world and the chain sign). Then a little box comes up for you to put the link in.
Or, use the following syntax (witout spaces before and after the [ ] 's)
[ URL="http://www.google.com/" ]Here is your link.[ /URL ]
will look like
Here is your link.