This is a very helpful tips in painting:
Painting the interior of a house: such a basic home improvement, such
a perilous pit of tough choices, expensive mistakes, and strained
necks. But with a few basic tips, painting your home can be a breeze.
The DIY experts at Stack Exchange chime in with the keys to the perfect paint job.
Read more: http://lifehacker.com/5931664/ten-tips-for-painting-your-home
I also came across with article as well: https://haroldrossfineart.wordpress.com/2013/09/25/light-painting-tips-and-techniques-closer-is-softer/
Christine Chua 