Evolution .jpg attachments

[The Wassermans]

On Thu, 2008-12-11 at 11:04 +1000, Paul Gear wrote:

> You could also check out gthumb, which remembers the last folder you
> viewed pictures in, so if you always saved to a consistent location then
> all you would have to do is start gthumb and you'd be there.
> 
> Paul

How do I make gthumb the default application for opening .jpg files?
Currently they tend to open in gimp.

Dave W