Bagging My 1990 Mazda B22000

Okay so i have been thinking about doing this for a while and finally pulled the bed and put the frame on jackstands and getting started just wanting some advise problems i may run into i am wanting to just do the back for now i was thinking 4link homemade or bought depending on yalls advise and slam specialties for the bags any suggestions on what one to get im not really worried about ride height i do know i wanna be able to drag when i want to any advise pics anything would be greatly appreciated