No right click with message option(view source blocker, image protector):

This no right click - image and source code protection JScript will block BOTH IE and Netscape users from right clicking on a page and gives you a choice of weather or not you want to pop up an alert message of your choice. This script also has the option to close the window after displaying the message if you want to

If you are concerned about folks lifting your graphics you could also use this meta tag: <meta http-equiv="imagetoolbar" content="no">. Keep in mind this is NOT full proof..nothing really is ;)