[Halfdeck]

The site looks pretty good. First, how many clickthrus is it generating a month? Assuming every 5 visitors clicks to sponsor, with 3k I'm guessing you're looking at 600 clickthrus/day. So even with an overall 1:1000 ratio, you're looking at roughly a sale every 2 days. If every sale is worth an average of 20 bucks, then the site should be at least pulling $360/mo.

If you're getting less than 600 clicks/day, then you need to work on getting people to click more.

If you're generating the clicks, but the sites aren't converting at least 1:1000, filter the clicks through a free site, gallery, BYOT thingie or something else instead of sending surfers straight to the tours using banners.

If your site is generating clicks and converting fine, then just send more traffic (galleries/free sites sounds like a good way, SE traffic will come).

Add more pages to the site for more depth, use RSS to keep pulling bookmarkers back to the site, add a contact form where bookmarkers can leave you some feedback, etc.

One thing that'll help your site in terms of SE a bit is use ALT tags for all your images using high-traffic keywords that's relevant and accurately describes your images.