How do I get tires to look wider on my truck?

I have seen other trucks that have tires that are out farther than normal. Do they extend their axel or just buy wider rims and tires? send pic links.How do I get tires to look wider on my truck?
get a reversed wheel as they set the tire out farther.How do I get tires to look wider on my truck?
tire spacers. they go between the wheel and the axle. check your state laws before installing because they're illegal in some.How do I get tires to look wider on my truck?
You can purchase wheel spacers at J.C.Whitney. But as seen on a previous answer be careful offloading because these do make your wheels more prone to bending. Also be sure to check local and state laws.
You can use wheel spacers but the best option is to use negative offset (example et-20) wheels. On such wheels the spokes are more inner than outer and it looks like a dish.