How to do a paint dripping image like this?

http://i429.photobucket.com/albums/qq19/saraum/saraume/Imagsdse16.png





http://i429.photobucket.com/albums/qq19/saraum/saraume/banner2.jpg





http://i429.photobucket.com/albums/qq19/saraum/saraume/banner3.jpgHow to do a paint dripping image like this?
I think you can do it with the paint brush on that Photoshop. I that there is an option on it that you can choose on how the paint brush's tip to be change its shape.