Cannot stress enough how important tonnes of passport photos will be - she'll need them for everything and the boothes on campus will have queues miles long for the first few days.
I did this 6 years ago (oh, seems so much longer now!)
Don't let her take anything precious/too expensive that she could possibly have to share - I know this sounds very mean spirited but there will be a mix of people she'll share with and not all of them will have the same level of respect for things as she might. I learned that the hard way
A TV is a total waste of time and money IMO, one lad had one in our flat and at 7:30 each night he'd have girls from all over the hall sweet talking him into letting them watch Eastenders etc. He never had a spare evening to himself.
Someone said flip flops for the shower - genius! Boys pee in the shower, communal or not. Another thing I learned the smelly way. Oh, and tell her to keep a stash of loo roll in her room - uni loo roll isn't great and runs out quickly.
Buy bulk/jumbo size of everything for her if you can - she won't want to spend her weekly money on practicalities like shampoo, toothpaste and washing powder when there's lager and chocolate to be bought.
Personally I wouldn't bother with too many purely decorative items such as cushions, cuddly toys from home etc. They take up loads of space in the car and she'll be bought little girly things like that by her flatmates for Christmas/birthdays etc. Habitat (and Argos I think) do a photo wall hanging - holds about 26 pics and is about poster sized - better than having 26 picture frames on every surface.
Last tip - I had a mini DIY kit - a multi-head screw-driver, a spanner or two, set of alan keys, mini-hammer etc which made me very popular. Students spend their money on strange things, mostly flat-pack that need assembling (one boy I lived with bought a multi-gym) and had nothing to build it with!
How exciting for her! Best of luck, and don't worry, she will be fine, have a wonderful time and I hope she enjoys every last minute of it!