Creative Process

As I was trying to formulate ideas for this week's commercial assignment, I felt that something was missing.  I couldn't conceive practical or functional ideas easily, and with the few ideas that I managed to whip up, I could barely progress.  After reviewing my work and talking to my brother, a graphic designer, I realised that my creative process was lacking.  Somehow, I was not creating a positive environment, and I wasn't constructing my ideas positively either.  

I wonder if any of you have had the same troubles.  Here are some online resources that give tips in creative writing: 

The Chief Happiness Officer has 10 tips for a productive and fun writing process. 

This one is related to creative blogging.

Specifically for commercial radio writing- radiosnack