For everybody that has already bought lots of presents and wants to make a start on wrapping...
On ebay you can get a 500m roll of the 5mm wide curling ribbon for £2-3 including postage, which works out at 5p for 10 metres if you go for one at £2.50. When you consider that if you get a 10m roll from Asda for approx 30p (when in a pack of 3) or from John Lewis for approx 50p (when in a pack of 4) and more if you buy them as single 10m rolls, the savings are huge. (If you want a metallic glossy one then they are a bit more expensive.)
Easiest thing to do is to do the search on ebay for 500m curling ribbon, then sort it to 'buy it now' then sort by lowest price for product plus postage. (which hopefully that link will do!)
I've got several of these rolls in all sorts of different colours and they're really useful all through the year for presents and at that price you don't have to worry about skimping with it.
Last year for quick and easy decorations I had a couple of boxes of unused red and silver baubles (a last minute ikea buy when they'd been reduced down to about 30p instead of a fiver a couple of years ago) so cut lengths of red and silver curling ribbon, tied a bauble near each end and curled the remainder. Then tied in bunches, added a few more big curled bits and hung either side of doors. Got lots of compliments, cost peanuts and very easy but effective to do. will try and stick a pic on my profile; it's more close up than the whole thing but gives a good idea.
Or if you want wider ribbon, search for florist poly ribbon - should be able to get a big roll/reel for less than a fiver. But not so easy to search on as some is 50mm wide and 90 or 100m long, other is 2 inches wide and 100 yards long... but you can tear it down into the widths you want if it's too wide and do fancy curling with it very easily (my mum used to have it when we were little - my sister and I used to do the curling from when we were 4 or 5 so it really is easy!). Just needs a little more effort to hunt down the best deal for the colour and length you want.
Somebody in a previous thread mentioned about cellophane - they also have that on ebay in big rolls that cost about the same as the small rolls on the high street so again, worth investigating if you want some!
happy wrapping!