How to post an article to numerous sites

I need to post some article and it has to be visible in search engines. So what is the best way to do it?

I want to post it without being traced.

It has to be indexed and picked up by search engines

This should be what you want.

http://articlesubmitter.imwishlist.com/

The free version will submit your articles to 374 article directories.

Hope it helps.