Colophons are fun to make using frames, embellishments, or clusters from kits. Here is a little assortment of colophons I've used on cards over the last few years.
L to R, top to bottom:
Jacie Deinema's Watercolor Florals
Julie White's Irish Blessings Embellishment Mini
Brandy Murray's Shabby Chic
Kerry Veale's La Vie en Rose
Syndee's Flea Market embellishment mini