Map Overlays is a images extension for chrome. it's a free extension , it has 2,000+ active users since released its first version, it earns an average rating of 4.63 from 54 rated user, last update is 358 days ago.
88% user give 5-star rating, 13% user give 4-star rating. Read reviews of map overlays
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If you add option makes me select only the maps that I need to view them in the top of the list, because I usually use only 3 maps,
Glad I found this, and now that I have, I use it all the time.
It's an awesome extension and very useful tool used for reference!