aakk9999 - 3:33 am on Oct 25, 2013 (gmt 0)
Welcome to WebmasterWorld, skipper9
I do not think it is your keywords-rich image names. You seem to have a problem with all three major search engines, which would point to some kind of technical issue.
Have you checked your robots.txt just in case that it is not blocking the site?
What do your logs say - is Googlebot and other boots visiting?
Have you tried "Fetch as Googlebot" of a home page and a few internal pages in Google Webmaster Tools? What is the result?
If you do site:example.com does it really return no results?