Room decor help! For a 16 yr old girl~?

ok, im going for like a cali beach theme like surfer, hang loose, relaxation life idea! Also i not only surf but also snowboard so ive decided i want to do half and half, one side summer, one side winter like one side hitting the waves and the other the slopes. So I need ideas, i want to hand signs like for the beach on one side then on the other posted signs about boarding (u know those vintage metal sign things!) i have a comforter for the beach side (http://www3.jcpenney.com/jcp/ProductsHOM.aspx?DeptID=25436&CatID=36035&CatTyp=DEP&ItemTyp=G&GrpTyp=ENS&ItemID=0f9ad09&ProdSeq=19&Cat=bedding&Dep=Bed+++Bath&PCat=&PCatID=28942&RefPage=ProductList&Sale=&ProdCount=42&RecPtr=&ShowMenu=&TTYP=&ShopBy=0&RefPageName=CategoryAll%252Easpx&RefCatID=28942&RefDeptID=25436&Page=3&mscssid=6982ac0c41542419faac48c7c7757787axMnVNoV5aGoxMnVNoV5aGW200BA582607A5C1119C692CD747DFA8BA19E0719703&CmCatId=25436|37326|28942|36035) but need one for the boarding side, im having two twin beds in like a v n one corner so one gonna be the beach and the other the slopes! but i need a comforter to go w. the slopes