There's quite a lot of Venetian/Murano glass jewellery around at the moment which is trendy and inexpensive. I bought several pendants on a leather thong for Secret Santa's and small gifts and they were �3.50.
Also a small Yankee Candles jar candle they do several scents such as Christmas Cookie, French Vanilla, Chocolate Chip Cookie.
Or unusual biro's in WHSmith they have a little bag of 3 biros covered with little mirrors and beads - indian in style - they were less than a fiver too.