Basics from Button Bird -- Over 200 different styles and lots of colors for your more everyday uses or to keep the cost down. Most are better than a typical basic button.
Green with Peach Swirls 1/2" Coconut Buttons, #SWC-120
Little Silver Elephant Button 3/4" Metal, Shank Back #SWC-110
Sand Dollar Button 5/8" Antique Golden Brass from Tierra Cast #6580-27