incandesant at that range could burn your plants, and also is so little light that its useless.
At the very least your going to have to buy a bundle of compacct flourecents. Look at lumens, thats what matters. there's also a number of lighting guidelines in the stickies you should check out.

It sounds like your using 1-3 gallon pots, this is pretty large for a seedling. If you can do so without disturbing it, transfer it to a pint size container