Still, there are many photos of glass pumpkins floating around, so here are a few of my favorites:
All images above by godutchbaby
The following four are by John 'K'
a pumpkin teapot
From Cohn-Stone Studios 2010 at the Atlanta Botanical Gardens
I'm not sure where this is from, but aren't they cute? (And beautiful)?
The following video is from the Morton Arboretum in Lisle, Illinois. They have an annual glass pumpkin event (as do other places, including MIT). If there are no glass pumpkin patches near you, check out the local art galleries, or if you're in a purchasing mood, Etsy has many of them for sale.
For the finishing touch, here is the world's largest blown glass pumpkin. This is from the Corning Glass Museum and this was made in 2009 (so it may have been surpassed since then). It took five tries and an entire team of glass blowers to create it.