Home-made T-Rex: http://www.usa6x6.com/6x6conversions/001/ Truck/trailer: http://www.usa6x6.com/trucktrailer/
I don't know. Some of them pics looked touched up. Some of the lines like the wheel well flares look like a paint brush edit. http://www.usa6x6.com/6x6conversions/001/001-009.htm
They all don't look that way but some do. Like this one. Doesn't the tires look like they were cut in? The lines around them are so crisp, they pop out like they were an over lay. http://www.usa6x6.com/6x6conversions/001/001-008.htm
The ones after the t-rex on this page are "photoshopped" so people can see what it looks like. The other ones I believe are real.