apple ipod touch jailbreak

[hamster1]

Hi guys this is my first post here and new to the forums.

 

i have a apple ipod touch 2g with firmware version 4.2.1 and it is a mb model

 

i have put music on no problem can i put apps on or will i need to jail break it to do this.

 

if i need to jailbreak it how can this be done witht he firmware i have installed

 

 

 

cheers