How to get the most out of my nikon d3100? How do my photos look?

Also what do you think of my photos so far?
1.) http://www.facebook.com/...=3&theater

2.)http://www.facebook.com/photo.php?fbid=456845171001724&set=a.443718168981091.109089.100000287367042&type=3&theater

3.)http://www.facebook.com/photo.php?fbid=456863660999875&set=a.443718168981091.109089.100000287367042&type=3&theater

4.)http://www.facebook.com/photo.php?fbid=461056443913930&set=a.443711708981737.109086.100000287367042&type=3&theater

Four clicks on four links and four "This content is currently unavailable" messages.

I strongly urge you to consider posting your pictures on Flickr.http://www.flickr.com

This will help you get the most out of your D3100:
http://www.nikondigitutor.com/eng/d3100/index.html Who better than Nikon to teach you all about your Nikon D3100?

I've no idea how knowledgeable you are about Light, Composition, Exposure and Depth of Field but spending time at these sites won't hurt any:

Light
http://photographyknowhow.com/quality-of-light-in-photography/
http://photographyknowhow.com/direction-of-light-in-photography/

Composition
http://www.photographymad.com/pages/view/10-top-photography-composition-rules

Exposure
http://www.digital-photography-school.com/learning-exposure-in-digital-photography

Depth of Field
http://www.cambridgeincolour.com/...-field.htm