How about cold frittata? That makes a lovely picnic item and I always think it tastes nicer cold.
Lots of salads, bread, olives, cold meats and lashings of ginger beer..........!!! ;-)
some fruit ona stick, sorry feeling a bit silly, pubtime approaches!
how about a chicken salad (or any other kind), take the dressing in a sep jar and add just before serving, olives, satay, mini pork pies, some nice crisps (kettle are my fave) and dips