Here's mine... well at least before I stripped my 90 in to a 100 bits!!!
Did also have it mounted across the bulkhead when it was a hard top, but when I changed it to a truck cab, spare wheel went on the bulkhead.
Didn't need to cut it down to fit - but it 'just' fitted
Brackets are a standard part avaliable from any HiLift Jack stockist... e.g. Arbil in Coventry, John Craddocks, BLRS etc etc.
Ian