have to try this trick.How to use a business card to bounce light up to create a nice overall illumination, while some of the light penetrates directly through the card, disperses and lights the subject from the front.
20 things I wish I knew about using flash, flash photography, speedlight, speedlite, camera flash tips. For future reference
Flash photography made easy: master it all from pop-up flash to multiple flashguns Digital Camera World
How to Get Started with Off-Camera Flash Photography – Start With One!
Flash photography tips: external flash techniques anyone can understand