Hair & accessories (links work now)?

How should I do my hair (brown, thin, slightly wavy, kind of long) and how should I accessorize these outfits? I'm thirteen and I'm wearing these outfits back to school from winter break.

1. http://i202.photobucket.com/albums/aa21/...

Forever 21/Heritage 1981 Olive and Tan Plaid Babydoll and Jeans (Sorry for redness)

2. http://i202.photobucket.com/albums/aa21/...

American Eagle White Hooded V-Neck Babydoll with little purple flowers and Black AE tank underneath with same Jeans

Hair %26amp; accessories (links work now)?

first one : a white headband. and whatever color shirt it is, bracelets and some little studs:

second one: wear a purple headband, white pearls or silver necklace. ans some cute silver or purple or white earrings :)

Hair %26amp; accessories (links work now)?

any silver jewelery would look good :]]]]]]]]]]

Also do ur hair straightened or scrunched or in a bun :]

Hair %26amp; accessories (links work now)?

idk.