Link : Drop Shadow Effect .It dynamically adds shadows to your JPG and JPEG files.Shadows brings a great look to your online photo galleries and albums. Even though drop shadows are very simple, you'll most likely find that you will end up using them quite a bit in your work.So this tool makes the job easy.Try it yourself! Thanks.
Yes, nice idea but no much less effort than coding it yourself which adds quite a few more options. Here is a link to some suggested coding techniques using CSS which is a better alternative and achieves the same effect but giving you much more control: http://phoenity.com/newtedge/drop_shadow/
good domain name for the effect that you have there -- I'd be happy to share my php code for doing the CSS effect as long as you mention my URL as the source. Feel free to modify -- you can get the code and/or html for any image shadow. http://betterwindowssoftware.com/css_shadow.php This way, you can offer a variety of drop shadow effects in a one-stop drop shadow effects shop.