I haven't found anything that I really like, yet, but here's something that I'll share in the mean time.
You can use Google's advanced search option to check specific sites, as well as specifying other parameters (such as the time frame). There are short cuts to using the advanced search page, and you'll see them in the search string once you do a search.
For example, you can search a specific site using Google by using the term "site:". The content before "site:" is your search term, and after "site:" is the site to search. For example, "Advanced Search site:forums.audioholics.com".
To search for titles within a page as well (which works better for the above example), you can use the "allintitle:" term. For example, "allintitle: Advance Search site:forums.audioholics.com".
So - how to use this to find images? That's what I haven't nailed down. You can search for the string "