There are several ways to make a transparent background. Typically the best, fastest, and easiest way is to immediately start with a transparent background. (When making a new layer, go to where you can choose what background to start with and select Transparency) You should have no trouble seeing the lines you draw. If you do have trouble, your brush size may be very small. It's all really up to what you prefer. I've always preferred starting with a transparent background because it saves me time and I don't have to worry with erasing anything: just adding.

ok, yeah, make a few layers and delete the white one at the end, just make sure you've coloured the picture before, or you wont HAVE a picture just the gray squares (checkerboard) so make sure you colour it in, even if you want the pic too be white, you still must colour it white

This question has been asked before. Can you make a search next time to avoid similar questions?

Basically what you do is completely erase the background first, then save it as GIF (or PNG if that works too)

basically how do i get a transparent background on my art, sorry guess i didn't explain enough. ^^

uhhh, so what's the question?