How 2 change passengers head light bulb

Just been having a look under the bonnet because my head light bulbs out. How to I get to the bulb there's no way my hand or even my 4 year olds hand is gonna fit down there lol is there any how to guides or does anyone kno how to get to it
 
Take the air intake off on the far right and you can get your hand down by there.

Some people say to take the bumper off, but it's possible without doing this.