Debugging ACR 3.1 Installation Problems
From the Adobe Camera Raw User to User forums
Thomas Knoll has suggested some troubleshooting tips on the installation of the Camera Raw 3.1 update.
(see original thread)
If Photoshop CS2/Bridge is not working correctly after you attempt to install ACR (Adobe Camera Raw) 3.1, here a some hints on how to debug common installation problems.

If you want to add a rough edged border to an image there are various ways you can do this. You can scan a border from one photographic image and merge it with another photograph as a layer. Or you can buy plug-ins for Photoshop that incorporate custom border designs.