Help make my pic into avatar for me !!

[Customboy]

Hi everyone I've been trying to get this pic as my avatar I'm useless with resizeing this pic and crop it all wrong can anyone help sorry if I'm in the wrong forum just pulling my hair out to try and do this !!

Here's the pic below

Many thanks if anyone can help !

Customboy aka bobby

 

[paddy]

Looks like you did it in your Sig ?