Install the package in your org with Workbench or SFDX or Ant. Tweet a screenshot to share the fun you have building #FlowFancy Salesforce Flow+Lightning Components with animation, and any fun Flows you are working on with with Flow Builder.
See the sample code here:
<iframe src="https://readytest-uhspa.cs14.force.com/contactSample/AnimationSamples" width="500" height="600" >Your browser does not support iframes.
</iframe>