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[SiegfriedFM]

I'm self-taught, but obviously I haven't found some things yet. How can I transform a b/w pencil drawing into a semi-transparent picture (with black being completely opaque and white being completely transparent)? I use a layer with Multiply for these pencil outlines and then fill in the colors underneath it, but outside the outline there are lots of ugly white pixels that show up when I copy the entire thing elsewhere. If the pencil layer was truly transparent (not just Multiplied) that wouldn't be an issue.

I also have access to Paint Shop Pro if there's an easier way there. Please help me!

 

[ManaByte]

You should be able to use the magic wand to highlight the areas within the pencil lines that you want to make transparent and modify those however you want.

 

[DarthWoo]

When I need to do such things, I use the following method:

1) make sure the image is in RGB mode
2) drag the background layer to the "make new layer" button, making a copy of the background
3) in the channel tab, make sure the RGB channel is selected, and hit "load channel as selection" with the copy layer selected - this will select all the black parts
4) hit delete, this will delete all the unselected white parts
5) now you've got a copy layer that is transparent except for the pre-existing black parts
6) it might seem a little light, so you may want to hit "preserve transparency" and run a large brush over everything in a dark color
7) delete the stuff on the background layer, and make it all white, and you're set

 

[SiegfriedFM]

Well, in this case it was a quite messy, quite low-res scan with very many gray pixels. I used a plug-in to turn the layer transparent. Thanks for the tips though, next time I'll make sure to make a better original scan... BEFORE I add all the colours to it