Read and re-read the advert, check exactly what they are looking for and re-repeat it in your skills/attributes section. This is the most simple aspect tell them what you want to hear.
nex thing, in my opinion, is to get it simple and neat. I would try to keep it to one page, two maximum.
Keep it neat and clutter free and you should be home dry.
Oh, and avoid shite, like, enjoys hillwalking and keeping fit etc etc be real.