Image security or encryption methods

[iamspooky]

Aloha,
I just started a new website business and I need some advice or help on security or encryption methods for images. Anyone who can help me with this will receive a free tour guide in Hawaii for 5 days and free surfing pictures. I am dead serious. Check this out :p
Rebelshots.com (http://rebelshots.com)

[tomf87]

So, what exactly are you wanting to do?

[varmit]

Is that what you want to do. Keep people from stealing them off your website, or do you want to give people who get their pictures taken a way to come and get their pictures.