The PennLUG Trolley is based off James Mathis Club Trolley Version 8 design.

http://news.lugnet.com/trains/?n=25228

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=131849



The little red trolley is based off of John Neal's older Mr. Rogers Neighbor Hood Trolley.

http://www.brickshelf.com/cgi-bin/gallery.cgi?f=37552