Also on some digital cameras you can half press the button as the horse approaches and click it fully when the horse is where you want him!! That's hard enough on a normal camera but it might save you some money... good luck!!!
Have you asked about the local yard that Hartpury rents for students?
If that's too close to college then it depends where abouts in Glos you're living...
I bought a trick letter from ebay which I had them send to my best friend on 1st of April. It was a very official looking letter saying they had implemented a road tax for riding on a public highway. She rang round her local hacking friends to see if they'd got one too!!
Maybe she wanted a legitimate serial number to give to someone to sell a trailer herself - hoping they wouldn't check the serial number given actually matched the one on the trailer they bought!?!? Just a thought!