This is an animation of a cartoon duck walking, created with Inkscape (gif created with GIMP). I have made it for my public domain (CC0) game Steamer Duck.
<a href="//commons.wikimedia.org/wiki/User:Drummyfish" title="User:Drummyfish">Drummyfish</a>
<span class="int-own-work" lang="en">Own work</span>