Things you will need:

 

    -Photoshop (I used CC 2013)
    -Frame.png	
    -GTA V Emblem Style.asl

 

If you don't know how to install and use Styles for Photoshop this guide: 

https://creativemarket.com/blog/2013/09/13/how-to-install-use-photoshop-layer-styles 

should help you out.

 

 

    -Next, decide what parts of your image will be used for the 	      background and foreground.


 

    -Use the Magic Wand tool, play around with it until you have        all the things you want to delete
    -Delete those things
    -Go to your Styles Tab in Photoshop and select the last one,        which will be the GTA V Achievement Style
    -Your finished product should look something like what's in       the Examples folder.