My #1 suggestion would be to go to your local Payless/DSW/whatever and find a pair of plain flats (my vote is for blue) and add some sort of accent later either with shoe clips or gluing on something else (lace, ribbon, rhinestones, flower, etc.) if you want to.

Amazon Finds:

60 or less

58 or less Natural and Natural Morocco

50

45 size 6

35.98 size 6

35.52 or less

35

27 or less

20 or less

20

18 102Blue and 107Blue