Today I attended my first meetup of Twin Cities Photography Club (TCPC). Very valuable suggestions from Deepak and Rajeev on using a DSLR camera. What I focused primarily during the meetup is to experiment with Aperture and Shutter speed. Here are some experiments from the day.
Shutter speed at 1/30, F-Number 14 got me this picture:

The same scene, with shutter speed 1/20 and F-number 8 got me this:

Here is a branch and flower, with shutter speed 1/125 and F-number 13:

The same scene, with shutter speed 1/125 and F-number 16:

The same scene, with shutter speed 1/125 and F-number 20:

Here is a tree stem, with shutter speed 1/20 and F-number 16:

Same scene, with shutter speed 1/20 and F-number 10:

Same scene, with shutter speed 1/20 and F-number 8:

Here are a couple of random pics depicting water from a hose:
Shutter speed 1/800, F-number 5.6:

Shutter speed 1/640, F-number 5.6:

Overall, its a Sunday morning well-spent!