Had a look on Leicester market yesterday and one of the stall holders sells a good variety of Chillies, I bought a couple of really big thick green ones just for the seeds, I then asked him to weigh me half a dozen very small red Thai Chillies also very hot(can't remember their name) they did not register on his scales so he gave them to me, I then said to him I will come back later this year and sell him some, :)