Mesmerizing Geometric GIFs by Florian de Looij, Netherlands Designer
Loader flash of light (Free PSD) by Alex Martinov (CM Security)
Use for crown
Dribbble - Simple Loader by Chad Casper
Dribbble - SurveyPlanet app Loader (GIF) by Peter Had
Is a library of user interface and interaction design animations to help you communicate your UI ideas with people.