Free images results:

Toad pictures, stock photos and images


Frog Stock Image
Author: Pryzmat
Frog Royalty Free Stock Images
Author: Pryzmat
Frog 2 Stock Photo
Author: Camptown
Frog Stock Images
Author: Trying2

Also, here are some commercial RF-licensed images that match your search criteria:  
Toad Stock Photography
Author: Yanc
Toad Royalty Free Stock Photos
Author: Ankevanwyk