What is That Blue Square Thing?
That Blue Square Thing deals mainly with Applied ICT and Computing stuff these days. In particular, there's material supporting the CIDA and DIDA qualifications, and Computer Science GCSE.
There's still a bit of geography lurking around here, but I stopped teaching that a while back. I've left the revision stuff up though and have even been trying to put some of my old teaching resources up as well. In particular, you might be looking for beach profiles, kite diagrams, climate graphs, weather maps or flood hydrographs.
QUICK LINKS - You might very well be looking for:
There's all sorts of other stuff around, including some Only Connect related teaching resources. Take a look around.