I'm sure you're all on it already, but The Sun newspaper is doing the £9.50 holidays again (started on Saturday but if you buy from today you should still be able to collect enough tokens).
Apparently, the campsite in France that we are going to for the October half-term, and where we went last year, about 1 hour from Disneyland Paris, is included in the foreign sites, so there are some good destinations there 