Help! I need decorating ideas for my bedroom?

I'm moving into a new bedroom in my house and I have no idea how to decorate. This room has to last me for the next three or four years, until I'm done with college and move out. It's a medium size room and I'm not working with any major design obstacles. I don't like really big surfaces of bright colors in a bedroom, but I don't mind little pops of a bright color. I'm pretty sure I'm going with this bedding set http://www.target.com/Modern-Home-Flocked-Leaf-Comforter/dp/B000Q5TC76 with white sheets. I'm also considering painting my walls a color similar to these curtains http://www.target.com/Home-Faux-Silk-Window-Panel/dp/B0027EYT36/ref=sc_pd_gwb_1_title

So here are things I need advice on:
-whether or not to go with that wall color
-color of the carpet i should buy (we have to replace it anyway, the rug in there is old)
-if a red throw blanket at the end of my bed would be able to fit with the wall color
-what kind of window coverings i should get (there are two windows, each on a different wall, but only one is usable because the other has an ugly view of the back porch so you have to keep the curtains closed)

So please give me any fun ideas you can think of... I was also thinking about putting orange Christmas lights around my closet door because I like the kind of glow orange lighting gives at night.

Also, how can I make my walls not boring? Right now I only have one photograph, which is this one http://www.art.com/products/p13586733-sa-i2381289/marilyn-monroe.htm?sorig=cat&sorigid=0&dimvals=0&ui=191c65742c764927959d3aac9e84e2cb&searchstring=marilyn+monroe
but I'm pretty sure I'm going to buy this as well http://www.etsy.com/view_listing.php?listing_id=41300129

Thanks for any ideas you can give me. By the way, I'm not a very crafty person so nothing too challenging in that area haha.

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