So take a look at his current photos, subscribe to an RSS feed so you see anything new posted, or join Flickr yourself and add him as a contact, so you see any of his photos show up in your daily feed or “home page” on flickr.
Joel’s user page, as linked above, is here:
if you are a member of Flickr, you can send him a message through their messaging facility. Useful in case you’re looking to get a hold of him, too.
He’s got some amazingly impressive tessellation work that I’m excited to see. very good stuff!