Not sure if this could be of help to anybody.
Yesterday's (2005.05.21) Financial Times had it's May issue of 'Travel Unravelled' and something caught my eye in relation to the problems covered in this thread.
Apparently you can now buy a satellite receiver that works in a similar way to Mobile Phones ... you get a SIM Card ... it looks like a Laptop and you plug it into your Laptop and do your stuff ... apparently quite fast, all for the price of about £300 plus the cost of a tariff.
If you are still reading

... apparently you only pay for download time even if you are on line 24 hours per day and so an email or the transfer of a jpeg or mpeg file could be very cheap.
It is said that it works in 100 countries and will be available all around the world by September 2005.
I am just not sure if Tobago is covered yet.
The point is that I guess the prices will start to fall quite quickly and if worldwide coverage is available soon then this could be just the ticket for those that want to email those precious photos home as a back-up.
Go to
http://www.satphone.co.uk if this is of interest and look for the BGAN link.
I hope this helps.
Regards