Posing and Animation

Goodbye_Sun's Incredible List with Links (you can't get any better resource - this is the best)
Garden of Shadows List (The most complete list I know, with links, but no description or pictures)
Lachesis Pose Catalog (Absolutely wonderful visual catalog)
Xtina's Posebox Catalog (categorizes the poses in different ways such as Dance, Mature, etc.)
Goodbye_Sun's Child Animation Poses
goodbye_sun's Facial Overlays (Indispensable)
Goodbye_Sun's Getting Closer - Positioning Sims for Picture Taking
Veron's Posing without Pose Boxes
Veron's Incredible It's Not Your Granddaddy's Overlays
Fourth Wall Options
Decorgal's Hacks
Jaydees Animboxes
Aikea's Animation Painting of Chaos and Doom
Aikea's Animation Painting of Bedlam and Catastrophe