Bury LETS has a wide choice of goods that can be traded, here are a few examples of goods that have been traded at market places recentley (this is no where near a full list but should give a few ideas):
Vegetables
Herbs
Jams
Home cooked curry
Second hand (sorry, vintage) clothes
Books
Birthday cards
Craft items - such as fabric paints and papers
Un-used house hold items - for instance a brand new salad spinner
Handmade necklaces and earings
DVDs