@Laserschwert. Thanks that vibrance effect sounds perfect. I have Premiere CS4 but don't remember ever seeing this effect there. I'll have to take a look.
EDIT: Nope, couldn't find it. And the Premiere CS4 help gave me no result. And it seems to be a part of CS5, which won't work on my 32bit system... :-/
@Jaitea: Thank you, that is very helpful!
As to the 1st sunset shot, the one in the WP is long out of date, I have since reworked it completely:
