When your starting out, you should work the most on stimulating your Base Chakra.
What you want to do is spend more time on the Chakras with the least activity to balance them. The more active they are, the less they need to be worked on.
This link is good for obtaining the neccessary energy flow to help clear out any blockages that you may have and to further enhance your sensitivity to energy:
http://temporary.astraldynamics.com/tutorials/new-energy-ways/index.html