where to get some map images for deepzoom test data?

I am developing Silverlight 3.0 deep zoom + C# + .Net 3.5 + VSTS 2008. I ne开发者_运维百科ed some png or jpg small images to compose to a big map image, or using a big png or jpg map image to test deep zoom effect? Any free ones?

thanks in advance, George

Have you tried google? There are tons of large photos out there. Check this site out:http://freelargephotos.com/

Most cameras take 5 to 8 mega pixel images. Borrow a camera if you don't have one.