Actionkits - Free kits with over 40 actions in total. - http://www.elated.com/actionkits/
Creating a Drop Shadow with Actions - Tutorial on using action script file for achieving a drop-shadow effect. - http://www.kmit.sk/manuals/photoshop/phsactshadow/main.html
Motion Graphix - Photoshop Actions that allow for lenticular output through any home ink jet printer. Lenticular large format imaging and software for all forms of POP and trade show signage. - http://www.motiongraphix.com/
Zero-G - Several actions for text, image creators and others for download. - http://actions.8m.com/
MS Graphics - A photoshop resource where you can get actions, tutorials, backgrounds and WinAmp skins. MS Graphics also develops webpages, graphics and logos. - http://home.aland.net/stormbom/
Action Fx Photoshop Actions resource - Site dedicated to the PhotoShop Actions Pallette. Type effects, free downloads, tips, and information to expand and automate PhotoShop. - http://actionfx.com/