nice fast response - thanks guys. yup will get the ones on ebay, probs a bit wide but as you suggested, a bit of neoprene and tape.
I thought the video may be a problem but I also like to set the gopro to 30 second pictures..hope to get some great shots
Thats a great vid - yes, weird effects but still perfectly watchable - needs to be pointed down a bit, but lovely sky and sunset, music was perfect