Create a ZX Spectrum style loading screen on The Gimp

How to create a ZX spectrumstyle loading screen using The Gimp. This is ideal for firsttime Gimpusers. 00:00 The spectrum s graphical limitations (animated intro) 01:55 I set a challenge 02:04 Set up The Gimp 02:40 Scale the image 03:45 Going black and white 07:58 Impromptu maths lesson (animated) 09:05 Getting colours from the spectrum palette 10:03 Setting up layers 11:51 A grid 12:25 Colouring in 16:25 Using the twocolourspercharacter thing better 18:34 Saving off colour a