I've done the same thing as Deano on my car. Was contemplating other placements but I think 'around the headlights' is too ricey.
Fail photo, but you get the idea.
They're quite visible, I set them a bit too far in so you need to be a few metres away to see them standing up. But it'll do
As you can see they're bright enough to significantly light up the ground.
'Side-emitting Headlight Strips' from oznium.com (neutral white).
Oh and the CCFL tubes.
And the parkers (neutral white again).
All 10/10 products. Not a single complaint from me. Except the CCFL's should come with 3M tape like the LED's
(that little black line on my radiator is electrical tape, I should get that off

:P)