I believe most opt for this one.
http://www.boatsnbits.co.uk/cgi-bin/sh000047.pl?REFPAGE=http%3a%2f%2fwww.boatsnbits.co.uk%2facatalog%2fGeneral_Indside_the_boat_fittings.html&WD=bracket%20outboard&PN=Cruising_Specific.html%23a116#a116
The bracket is easily removed and just leaves the shoe on the boat when the outboard is not required, so keeps everything looking neat.