Originally Posted by: hrandersoniiiJohn, Paul, George and Ringo :D

So after all this time on GF1&2 you only know 4 chords?! :p

Ben's list is very well done! I've also done a bunch of video tutorials on chord theory & practice.

This is how basic major & minor chords are built as triads:

http://www.guitartricks.com/tutorial.php?input=148
http://www.guitartricks.com/tutorial.php?input=824

Then, we build & practice dominant 7th chords:

http://www.guitartricks.com/tutorial.php?input=479
http://www.guitartricks.com/tutorial.php?input=499
http://www.guitartricks.com/tutorial.php?input=500
http://www.guitartricks.com/tutorial.php?input=961

Then, we build & practice major 7th & minor 7th chords:

http://www.guitartricks.com/tutorial.php?input=501
http://www.guitartricks.com/tutorial.php?input=513

Finally, I have these on extended harmony chords such as diminished 7th, dominant 7th flat 5th, various 9th chords in a jazz context in these tutorials:

http://www.guitartricks.com/tutorial.php?input=1166
http://www.guitartricks.com/tutorial.php?input=1185

Here is the one dealing with 11th & 13th chords.

http://www.guitartricks.com/tutorial.php?input=1195

Have fun!