Here's a list of a million polishes I love for summer! :-P
Both with flash:
Left to Right: (all China Glaze) Pool Party, Wild Mink, Thataway, Naked, In Awe of Amber, Your Touch, Shower Together, Grape Pop, OPI - Meet Me On The Star Ferry, OPI - Royal Flush Blush
These polishes all scream SUMMER to me! How about you?