The Gadsden Flag has been endlessly reinterpreted, modified, parodied, and generally played with, as the following examples show.  The design violates a number of basic principles of good flag design, but its ability to capture the imagination and spur creativity shows it to have become a very effective flag nevertheless.

Amplifications:

Specific “rights”:

Porcupines:

Simplifications:

Parodies:

Generalizations to other flags:

Anarcho-capitalist flag

Pirate flag

Monochrome US flag

California state flag

Arizona state flag

Anarcho-capitalist flag

Confederate battle flag

Israeli flag

Arizona state flag

Colorado state flag

Anarcho-syndicalist flag

Rainbow flag

Pirate flag

Strangeness:

Because libertarianism is all about caring for the environment?

This psychedelic DTOM flag by Stephen Richard Barlow (on Deviant Art) owes more to the so-called First Navy Jack than the Gadsden flag, but is too strange not to exclude.

René Magritte knows a thing or two about the Treachery of Images.