The Bird Cage:
bella-tiara.com for only $79.99.
Claires for only $12.50, they have many to choose from. Just a little sparkle goes a long way.
Hair flowers come in all different shapes and sizes. Get one that is white for a church wedding or pick a bright color for a beach wedding. This one is $36.00 from haircomesthebride.com
Have a little fun with you hairpiece and try a feather. This one is available on Etsy.
My only advice to picking out your wedding hair accessories is to not spend too much. I definitely wouldn't spend over $100. Borrow one from a friend who recently got married, check out boutiques or even make your own.