I have found backlinks to my site by your method.
I have some backlinks to my site. here:- Best PTC Sites

I think the best way is via blogging. When you post quality comments in blogs with high Page Rank your weight becomes bigger

Try to install SEOQuake..

you can do this by yahoo site explorer.try it for your site it is like google webmaster tool.

Use the command :

linkdomain:www.whateversite.com

-for Yahoo

Yes, Previously this command was working, now its not working. Please can you suggested any other command.

http://siteexplorer.search.yahoo

Yahoo! Search has merged Site Explorer into Bing Webmaster Tools (http://www.bing.com/toolbox/webmaster).

SNIP

You can use http://siteexplorer.search.yahoo.com/ to check yahoo back links.
Thnx..:)

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Check the link http://www.ehow.com/how_5110935_backlinks-using-yahoo-explorer.html. Hope this will help you. My favorite forum is http://samuraisseo.com/forum.php that you can visit to get instand help about SEO & Internat marketing.

Create a press release and publish it on PRWeb, if it's good your story will be covered by Google.