Dye jobs

Ive seen some cool a$$ designs on here and wanted to know how some of you guys dye your discs. I want to make some discs for a couple of people I play with and know that markers arent going to cut it. LOL... Do you have to have a machine to hot stamp them or is there another way?

[Rev. Noah]

http://discgolfer.ning.com/group/weredyeinghere

[Pete-ROC]

Thanks Rev! I guess a simple search couldve answered that question, huh? :)