I'm assuming you are talking about something like this. Here are two identical links to this thread.
http://www.disboards.com/forums/showthread.php?s=&threadid=48196
A link to this thread
Here are the codes for each of these.
[URL]http://www.disboards.com/forums/showthread.php?s=&threadid=48196[/URL]
[URL=http://www.disboards.com/forums/showthread.php?s=&threadid=48196]A link to this thread[/URL]
See the difference. The easiest way to do this is when you are doing a new topic or a reply, use the button out beside
vB Code labeled http://. A box will pop up in which you will first enter the words you want to show up, then hit ok, then enter the URL (http://www.....), hit ok again and it will build the later code for you.