This video demonstrates how to access Photoshop Actions from the Export Dialog of Lightroom. Photoshop Actions allow you to perform complicated or repetitive tasks on an image or groups of images with little to no user intervention. Wouldn't it be great if you could run these actions from Lightroom? Well...you can. Using Droplets and Lightroom's Export Actions folder, you can harness the power of Photoshop Actions on your Lightroom images.
Be sure and read the article from TheLightroomLab.com at thelightroomlab.com/2008/11/using-photoshop-actions-as-droplets-in-lightroom/.