Adobe Photoshop Actions for Photographers includes:

 <p><p>

<a href="http://www.boutwellstudio.com/totallyrad/" rel="nofollow">Boutwell Studio Totally Rad Actions (46 action set)</a><p>

<a href="http://www.coveractionpro.com/" rel="nofollow">Cover Action Pro v1.2 </a> (not really a photographers action, but really cool!<p>

<a href="http://www.craigsactions.com/" rel="nofollow">Craigs Actions Vol. 1-2-3-4-5-7-8 </a><p>

<a href="http://www.ittybittyactions.com/" rel="nofollow">Itty Bitty Actions (52 action set)</a><p>

<a href="http://www.kubotaimagetools.com/actions.html" rel="nofollow">Kubota Artistic Tools Action Paks, vol. 1,2 & 3</a> <p>