Here are the first two...
http://www.ebay.com/itm/222030611622?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649 (http://www.ebay.com/itm/222030611622?ssPageName=STRK:MESELX:IT&_trksid=p3984.m1555.l2649)
http://www.ebay.com/itm/CN-Hopper-a-custom-weathered-HO-scale-train-car-/222030639842?hash=item33b20eb2e2:g:BjgAAOSwx-9Wyj~D (http://www.ebay.com/itm/CN-Hopper-a-custom-weathered-HO-scale-train-car-/222030639842?hash=item33b20eb2e2:g:BjgAAOSwx-9Wyj~D)
You can see them all here
engineerkyle.com (http://engineerkyle.com)