pippi, I just did what got eaten at other parties, as supposed to what I would have done (the ungrateful sods wouldn't have appreciated it anyway ). Just finger food (I tell you, messy ehough!) so, pizza (margherita and pepperoni), fresh potato wedges, party sausages, crisps, carrot sticks, cucumber sticks, cherry tomatoes, ham sandwiches, cheese sandwiches, then grapes, and jam tarts + choc cake. make small portions, as less "daunting" for the shy/fussy ones - I cut pizzas in 12, sandwiches in 4 (cut off crusts). water and oj to drink
But had we had the party at home, then I would have done it after lunch, 10 kids max, so there would have been veg/fruit sticks, some crisps and cake. problem is, as you say, what if it rains. 10 kids in our living room would have been madness so it would have had to be a very structured affair, with games etc.
but this was a new experience (as I said, I doubt I'll repeat it as it was quite stressful, I'm glad I didn't invite any friends as I wouldn't have been able to talk to them or anything) - we normally have a big bbq party with our friends and kids, kids normally off in the pool as they walk through the door, a part from the last couple of years thanks to the weather and DIYing, but hopefully we'll do that for DD's b-day.
poor minipenthe, DD will only fall asleep on me for the last few nights, I guess being upright makes it easier for her to breathe...