Just an idea that I adopted after seeing it last year-most rubber dingys only come with a single blow up or hard seat which can make using outboard difficult.Just add a second blow up seat next to transom-they can be had in various sizes for about £20

Try IBS marine but telephone and ask about general purpose seats which they dont list but stock and are cheaper than dingy specific seats.

http://www.ibsmarine.co.uk

There are various firms out there who also sell loads of other extras which you can glue on-mooring cleats;extra lifting handles etc. plus good for glue and patches etc.

Phil