Mike says:
=============
Now I dont want to get flamed and I realise I'm a new
boy here and that a whole lot of folk have advised that inflaters, or
foam,
or whaever will be fine so I'll leave you to make your own decision.
===============

Mike, I think every bit helps us newbies inch towards our own
conclusions. Thanks for your bit.

Cheers,
Wilf
===========