Royalty free images?
Free Royalty Free Photos, Pictures, Images and Stock Photography
They have thousands that they just rotate for free ever 24 hours or something. If you want specific images, then you have to pay. I usually just use them for sketching references.
The sites themselves still look dodgy to me.
I know that the one page squeeze gets people in, particularly for money based stuff (although only gods know why), but I figure if you set up multiple pages on the site that ALL lead to the action, while still having product info, you keep a larger percentage of the doubters & skeptics.