Free images results:

Fir pictures, stock photos and images


Mushroom Stock Image
Author: Werwi007
Chapel Royalty Free Stock Photography
Author: Jprescott
Waterfall Royalty Free Stock Images
Author: Ichtor
Landscape Stock Image
Author: Ichtor

Also, here are some commercial RF-licensed images that match your search criteria:  
Fir-cone Stock Photos
Author: Sersubos

Explore more commercial options: More Fir Stock Illustrations & Vectors | More Fir Stock Video Footage