With over 14 plugins now it can be a bit confusing to know what to use when. In this webinar Hal talks about which Topaz Plugins he prefers to use for different tasks/results.
Hal's Recent Topaz Webinar is Online
Workflow Demo - Silhouettes with LR, PS, and Clarity
Here is a quick demo of one of Hal's silhouette techniques using Lightroom, Photoshop, and Topaz Clarity. Good stuff even if you have not shot a silhouette yet!