Q-Links: Machine Piecing
Contains the fundamentals of piecing with loads of illustrations.  For all skill levels.
Finding and maintaining a perfect 1/4" seam will make your piecing time more enjoyable. Pieces fit together, and ripping is almost nonexisting.
http://www.quiltwithdonna.com/donnasquiltinghints_chp3.html


A mini lesson aimed at piecing for garments.
Random block piecing.  This is a great piecing technique for a beginner as it doesn't require matching any seams!
http://www.danamarie.com/projects/technique/random_block.htm
Quiltwithdonna.com is host of    the Q-Links program.  Click HERE to go to the host website.  You will love it.
Here is a novel approach to piecing, using a long arm machine.  Click on the link.
I have received numerous requests for how to do the piecing on the longarm. What I am able to provide by way of free instruction is limited to text description.
http://www.sewthankfulblog.com/?cat=471
How to Make French Seams  Easy-to-follow, Step-by-step Instructions
A French seam is often used when the fabric is too delicate to overcast the seam allowance to prevent raveling. The construction of a French seam provides a clean, finished, professional look to the inside of the garment, such as concealing pinked edges.
http://www.sewneau.com/how.to/french.seam.html

A super youtube presentation on sewing hexagons together.
http://www.youtube.com/watch?v=CQG0V42O0fI