it looks like over-watering is your main problem other than the fact that
you haven't bothered to read any of the many threads teaching people
how to deal with seedlings.

anyway, here are a few threads to get you started.
keep in mind that if you do your own research, you are in control, if all you do
is ask questions and wait for answers, we are in control.

http://boards.cannabis.com/plant-pro...anted-one.html
http://boards.cannabis.com/grow-log/...hettoness.html
http://boards.cannabis.com/basic-gro...-dankness.html