Snow Leopard v.10.6 : Trying to empty Trash

Trash – Can’t Empty or Move File To Trash

Trash FAQ

Trash – Empty When File is Locked or in Use

You can also drag the file out of the trash to the desktop, highight it on the desktop and click command I to bring uo the file info. On this pane there is a box that says locked, try unchecking it. Also see if you have read write privilages, which can be adjusted by clicking you admin name and in the right next to your name click the up/down arrows and select read &write.( you may have to click the padlock and enter your admin password)

Also see this (trash problems):

http://www.thexlab.com/faqs/faqs.html

Hope this helps

You are welcome.