How to get the jailbreak I want out of my iPhone 4?

I wanna jailbreak my iPhone 4 but I not very familiar with jailbreaking. I saw my home boy with all This cool stuff on his, but my question is, can you get all the cool stuff you want from one jailbreak? Or do I need a specific type of jailbreak depending on what I want?

You would have to use the proper jailbreak for the correct firmware. The latest untethered jailbreak is for 6.1.2 with evasion. Now if you have already updated your device to 6.1.3 then I wouldn't recommend jailbreaking your device cause you wouldn't be able to get the full experience with the jailbreak. Ones you jailbreak your device, you can pretty much do anything you want to your device.