after i post, there will be a image that would pop up and fade

[Kevin Ban]

after i post, there will be a image that would pop up and fade, showing that i have earned a token. does anyone know how to do this?

Image below


here (http://www.samuraislutsforum.com/images/otherimages/172377146c631866bf2fbc5dc09d79cbf18fc15d.jpg)