There's another aspect to consider, one of pure self-interest: is alienating a large portion of your visitors a good way to combat a few who might want one of your pictures? And if someone really wants to download one of your images do you really think they'll go "Oh, I can't right click? Damn, I want that picture. Oh well...", or do you think he will spend less than a minute finding out another way?
yes but do you would need to be able to read html to find the path do you think an normally internet user will be able to do this yes they not going to try and work out a different way they would move on but you not going to stop everyone but you can do things to help stop most people
Eh, do you have to be a car mechanic to drive, or an engineer to cook something in the microwave? Grandma surfs the web and keeps in touch with her grandkids via email but if you ask her "What browser do you use?" she'll say, "Um, I use Windows." or "What's a browser?" But she doesn't technically have to know what it's called or how to change a lot of settings on it in order to use it. I was seriously surprised how many people didn't know what browser they used, when I first got into website building, and I asked people which browser they looked at my sites in. Many had no clue.
These no right click scripts are easy to get around. I know of 2 simple tricks to fool them.. Next time your on a page that doesnt let you right click try this: Hit Right Click - Space Bar - Right Click - Space Bar. Time it fast enough and itll show the right click options.