We also have a flickr group where existing flickr users can share photos so they can be tagged by other members, while still retaining links to original owners photos.
Here's what we have gathered so far.. Check out the curated sessions or our general categories for more organized/topic specific photos ..
Session Discussions/Takeaways (via threaded comments)
Use <b> and </b> to highlight session takeaways and snippets in the comments below