I don't really have any pics, myself, but some Google searching has turned up a couple of good ones.
The house where she lived, where the museum is now
Old Central School (You can see a little of the Yellow Brick Road in the Corner)
Better pic of the Yellow Brick Road
One of the murals
This might be the best photo. The sign that is now outside the Judy Garland Museum. It used to say the dates the slippers would be there, but now it says...
The Judy Garland Museum website
Pictures of the Munchkins...all grown up...
Boring pics from the Judy Garland Festival...