Photos of rosettes on InStyle.com
And on shoeaholicsanonymous.com
Emily Blunt wearing Roger Vivier, Vanity Fair May 2009 (with birds!):

Here are some great pictures of cockades & rosettes on shoes through time:
A young Sun King, 1640s:

1790s, French- Expensive jeweled buckles went out of fashion during the French Revolution. This one has a tricolor cockade, for that Revolutionary look:

1790s:

Regency era (circa 1800) slippers:

1860s:





1880s:

1890s:

I've finally found a source for shoe clip blanks, so watch for shoe clips in my Etsy store soon!