There are lots of posts in the mods forum that can do this for you:
If you just want to have certain links appear at the top, check this thread:
http://www.gossamer-threads.com/scripts/forum/resources/Forum3/HTML/001284.html
To add the field you would need to Links, look at (scroll down some and find Bobsie's post on using the upgrade_beta.pl to do it for you):
http://www.gossamer-threads.com/scripts/forum/resources/Forum3/HTML/000865.html
That should cover ya