Just another dissenting opinion: Have you ever left your front door unlocked by accident? What happened? Did some people come in and steal everything. Did you leave it unlocked a second time? What happened then? Nothing? Trying to lock an image like locking a door only stops the casual people... people who probably aren't looking to "steal" the image anyway. Putting up script-blockers annoys these people who only want to save a version to their computer so they can look at it later. And one of the golden rules of web design is not to annoy visitors. A second thought is this: how many people in this thread actually, seriously, realistically have art that someone would steal? Think about it very hard. Would someone want to steal your non-anti-aliased Vicky in a bland pose with a bland texture?