Other sources :

Statue - http://castock.deviantart.com/art/Easter-island-head-89957284?q=boost:popular+in:resources/stockart+island&qo=48

Chest 1 -
http://hjoranna.deviantart.com/art/Treasure-Chest-3-126624958?q=boost:popular+in:resources+treasure+chest&qo=13

Chest 2 -
http://lausanne.deviantart.com/art/Closed-Chest-136088580?q=boost:popular+in:resources+treasure+chest&qo=41

Sunset -
http://eli-stock.deviantart.com/art/Sunset-101697581?q=boost:popular+in:resources+sunset&qo=59

Sea -
http://sannys-stocks.deviantart.com/art/sunset-73022173?q=boost:popular+in:resources+sunset&qo=31

Credits to ~jaded-reflection , =night-fate-stock , *CAStock , Hjoranna , *Lausanne , =eli-stock and ~sannys-stocks from DA.

I got the idea of making a kind of hand crafted art store where pottery made from a "blue cow" is sold. No outside images used in the making of Souvenirs In Blue, just the image provided by pxleyes. (Thanks Robvdn, nice image to work with)