May be too late, but I got a set of red lenses from an outfit called "british bits" or something like that. The lenses are from an older model Landrover. The are a perfect fit on the rear punkins.

2005 Model . Two Fast Eddy stickers , a bell and a clock . She's Lola . She tinkles and keeps time . http://s649.photobucket.com/albums/uu211/britbike05/