CMYK: Riders of the Apocalypse

One for the Colour Theory class! The assignment was to make an A3 sized poster and I chose the theme "War of Colours" and then sort of ran away with it. Meet Memory Overload (Mr Cyan), Paper Jam (Mr Magenta), Toner Low (Mr Yellow) and Controller Board Failure (Mr Key): The CMYK riders of the apocalypse.

OK, so the joke's probably totally incomprehensible to people who haven't had the pleasure of working with printing services or at least higher quality printers... But i thought it was funny. The class has also dealt with (among other things) the differences and technicalities of RGB and CMYK colours and printing. In fact, the poster is supposed to be printed at a professional printer shop, too. Anyway, anyone who's ever had to work with printers for a lenght of time will be familiar with at least the middle two of the above pests. The other two, well, let's hope you shan't make their acquitance.

This version is obviously edited into wallpaper proportions - 1440x900, because I my widescreen Apple. For any other dimensions, just ask.
Constructive criticism and suggestions for improvement are welcome as long as they come before Monday, which is when the thing is due at the printer's.

Those not familiar with the biblical myths, the (original) four riders of Apocalypse are of course Pestilence, War, Famine and Death - the four who shall ride forth as the end of the world approaches, etc. I would also like to add that it's 5 AM and I can't feel my toes. >_<

edit/ after a few hours of sleep I realise mr Key's right arm is way too long. Nooo! Why didn't I see that before?!

edit 2: Strangely, a lot of people have emailed me to ask if they can use this picture for various projects of their own – which I appreciate, believe me!

To save time and effort on everyone's part: the Creative Commons Licence is for non-derivative, non-commercial work (it means you're not allowed to modify it or earn money with it), and I expect you to credit the original artist (as by copyright law and good manners you should be doing anyway), and please - send me a photo or copy of the work you use it for. Also, at the moment I can't get my hands on the original due to various technical problems with my beloved but aging computer. So, the 72dpi work is all there is for your perusal at the moment.

Most likely I will allow you to use my work, but ask for permission first. Thanks. <3