I always KNEW there was a reason why I liked Steve (Baal) at My Evil Master Plan. ;-) Thanks to him, I know that Graphitti Designs and other sellers are now offering a whole SLEW of new Green Lantern shirts -- including shirts of ALL of the Corps of Light! Not all of them are available yet, but there are photos of 'em all. Just take a gander! There are plenty of regular Green Lantern shirts, of course ...
... BUT check with your favorite comic book suppliers for THESE:
So, even though those nifty sterling silver rings aren't available, I can STILL add to my ridiculously huge Green Lantern shirt collection. Always a worthy endeavor!
On another note: I do feel bad that I don't pay a lot of attention to the ORIGINAL Green Lantern, Alan Scott. So, just for him, here's a Golden Age Green Lantern shirt:
There. I feel better now.
(I wonder if there's a Red Lantern shirt that's small enough to fit my mother-in-law's CAT?)