Heres a quick batch that will empty those full recycle bins and reclaim disk space.

Using this on servers is also a great way to reclaim space as the files deleted are typically bigger and most admins arent too good at remembering to do the small maintenance tasks such as taking out this

@echo off
echo This batch file will permanently remove all users recycled files/folders.

echo ----------------------------------------------------------------------------
echo You're about to clear the following folder:
rd /s c:\recycler
pause

For windows 7 use  C:\$Recycle.Bin