Bump for a good diff, I have one of these in my ps13 and its brilliant, makes the car feel totally different and a lot more responsive/agile, bargain...
The boot pop could just be the cable or bracket in the boot. The alarm sounds a little like a pain in the arse. Also - have a really good look around...
Your lower shutter speed ones are way more interesting - but your colour treatment is overkill - bleaches out all the colours and makes the contrast...