You may want to check out these tools:
*www.majorgeeks.com/download.php?det=2351
*www.dslreports.com/faq/578
Not sure how much these optmizers help you... Anyway, you can use FireFox with AdBlock extension to block those bandwidht hungry ads (like the one being shown at the right-side of this post
)
*www.mozilla.com/firefox/
*addons.mozilla.org/en-US/firefox/addon/1865