Originally Posted by rogermac1975
Wirelessly posted (Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0) BlackBerry8100/4.2.1 Profile/MIDP-2.0 Configuration/CLDC-1.1 VendorID/102)
Go to the date bar above the messages you want to delete. Hit the menu button and choose DELETE PRIOR. Done.
Dang, I've been selecting all and deleting, this is much better!