Graphics assignment:rendering a scene - Help?



I have a graphics assignment due in a few days. Can you help please? I don't know much about this subject and i only just started it this year cuz it was the only option left for me...

the link is below:
http://s1168.photobucket.com/albums/r482/rukaisawesome/?action=view&current=thehouseforsheet10.jpg

i know this is a bit demanding, but this is scene rendering. i have to render the scene to look real. can you please give me ideas on what i should do? and some links to textures to put on the pic would be nice too.
if it isn't too much, can you please also do a little bit of it? so that i get an example to look at? thanks. all help will be greatly appreciated!

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