I managed to finish my Tzeentchian Chaos chariot. It is probably one of those pieces that parts wargamers between pros and antis... but I like it myself which I consider to be important as well.
I've got another one in the making and not the slightest idea what to use them for. Probably some skirmish game or similar.
The inspiration is quite evident I think, but in case you should have missed it Admiral Benbow on the Lead Adventure Forum did a lot of interesting howdah wearing dinosaurs during the 80es. They can all be found on the lead adventure forum here: