Here is a link to the developers resources page, in case ya don't have it:
https://cms.paypal.com/us/cgi-bin/?c...eloper/home_US
As to the PayPal plug-in. To downlaod it I think you need to login to your PP account first but here is a link:
https://www.paypal.com/cgi-bin/websc...Plugin-outside
I will say it is not without issues (typically they seem to (re-)induce memory leaks after fixing it a couple releases before...sigh...technology

), at least in IE. I usually keep it disabled until I need to use it to generate a card number. Works in FF as well...it is REALLY nice to know even if a site gets hacked the number you provided was only good for a single use.