Free images results:
 

Silk pictures, stock photos and images

 
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Waiting Stock Images
Author: Slidepix
SilkI Stock Photos
Author: Hixnhix
Shell III Stock Images
Author: Hixnhix
Swans Royalty Free Stock Images
Author: Hookinmouth
 
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Also, here are some commercial RF-licensed images that match your search criteria:  
Gold silk Stock Image
Author: Zuboff
Blue silk Royalty Free Stock Photo
Author: Tatisol