The main images are vector illustration and can be scaled to any size as you want without loss of resolution. This image will download as a .eps file. You will need a vector editor to use this file (such as Adobe Illustrator).
If you already know illustrator altering the images will be very easy for you. But if you need some advanced use of the images please spend some time to learn some basics of Adobe Illustrator. Before making any change please save the main file in a different name.
Background is not included in main file.
Font used: Impact Regular and Arial Bold
Impact: http://fontzone.net/font-details/impact
Arial: http://www.fontyukle.net/en/Arial+Bold.ttf