In part 2 now will cover dynamic meta tags, The main point of this contribution is the give each page of your store and products some unique meta content. (Title, Description and Keywords)

The reason for this is to improve your search engine position, and increase the amount of pages indexed, by creating dynamic meta tag for each product page, Google will see that each page a unique and not place the pages in the supplemental index thus also improving you search engine placement.

There are several oscommerce contributions that will do this, but the one i found that does this best is cDynamic Meta Tags.

It a very easy contribution to install, make sure you fully read the installation instructions and ALWAYS backup your store before do any modifications.

Once installed you can tweak the settings in /includes/languages/english/meta_tags.php

What this osc contribution does is rewrites the standard dynamic URLs to more SE friendly and keyword rich URLs

in short it would turn a url from this:
www.domain.com/product_info.php?cPath=1&products_id=1
to something more descriptive like this:
www.domain.com/article-directory-turnkey-script-p-1.html

You can can clearly see how the second URL would be more descriptive and better picked up by search engines.

The installation is quite straight forward and well documented by Bobby AKA Chemo, but If you need help installing the contribution you can contact the store owner of this oscommerce hosting site. I highly recommend his work.