Free images results:
 

Rainy pictures, stock photos and images

 
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Sunset Royalty Free Stock Photos
Author: Nitzu
Mushroom Royalty Free Stock Images
Author: Ittie8
Cloudy day Stock Photos
Author: Ruxa
Solitaire Stock Photo
Author: Bx3t
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Rainy Stock Image
Author: Gradts