There are so many, JS or PHP, which kind do you prefer? Did you google it? Or you could check a script site such as hotscripts.com and many many others...
I googled it and got some results that were decent - but no timed results. I want to have (for example) a different quote showing each day, but I couldn't find anything like that. Php would be best, but I know very little of it.
Didn't check but this should work. Just to give you something you can work on <?PHP $quote = rand(1,3); if ($quote == 1) { echo 'This is quote one'; } if ($quote == 2) { echo 'This is quote two'; } if ($quote == 3) { echo 'This is quote three'; } ?> PHP: