force guests to register hack were a banner says blah blah please register and stay on screen for about 30 seconds if soemone could find this or even make it it wuld be much apprechated ..... please i really would like this hack .... thanks in advance

You could simply set the Unregistered Users usergroup to not allow them to see the board.

i know but i have sen it on another forum and it just had a pop up thing that hovers over the forum page and disapeare 60 seconds later i would really ,.ike this hack the thing that i want is on here http://www.now-n-then.net/forum/index.php pleseeeeeeeeeeeeee

You can find that on vbulletin.org. Use search and vbpopup
or use this link
http://www.vbulletin.org/forum/showt...hlight=vbpopup