Our Flickr Group.

Books:

Back of the Napkin, Dan Roam (Using pictures to solve problems—written to appeal to business people. Full of useful models and techniques, gives insight into concerns of business people)

Gamestorming, Sunni Brown, Dave Gray, James Mancufo (Full of ideas for designing workshop and meeting activities with game and visual elements)

Visual Meetings, Dave Sibbet (One of the founders of the visual facilitation movement shares ideas, templates, and techniques for better meetings. He has many other excellent books as well at grove.com)

The Mind Map Book, Tony Buzan (Comprehensive guide to mind mapping. A bit over the top in some of its claims, but there is gold here).

What Color is Your Parachute, Richard Bolles (Interesting use of graphics, in this case in service of finding an appropriate career)

Make a World, Ed Emberley (Step by step drawing instruction to create iconic, bold, images that communicate instantly. It’s geared toward kids, but it is great for any age. Available used on Amazon.)

Understanding Comics, Scott McCloud (Amazing book if you want to dig deep into visual communication, narrative, and design. Highly recommended).

URLs:

ifvp.org
The website of the International Forum of Visual Practioners. Yes the website is dated, but it is a great organization. They also have a linked-in group and a very interesting annual conference in August.

vizthink.com
Global community of visual thinkers and communicators. Lots of good stuff here. There are active local chapters in NYC and Austin and a dormant community in Philly that can be restarted if anyone is interested.

My contact info:
jonny(at)envizualize.com
twitter: jonnygoldstein
web: envizualize.com
646-209-7204