The Gimp ("GNU Image Manipulation Program") is a completely standalone program. You can download it at http://sourceforge.net/project/showfiles.php?group_id=121075 . Perhaps you'll also have to download and install GTK+ from the same page - I had to do it, but maybe they've integrated them since then. The filter in question is under "Filters->Artistic->Soft Light"; the Filters menu appears once you open an image.
Hmm, what layer settings have you used? I usually set the outline-colouring layer to Screen.
Oooh, this is interesting. I shall have to check it out more carefully.
I've tried just about everything--screen, colour burn, hard light, soft light, every degree of transparency; I've more or less settled on 'multiply' as the most likely to look half-decent, although I've started doing some hand-wavey things with the colour layers that seem to mitigate my problems with the lineart layer.
Hand-wavey things? Sounds interesting! I usually have general colours set to Multiply on top, then outline-colours set to Screen in the middle and the plain lineart on the bottom.
Hmm. I always do lineart on top, colors in various layers on the bottom, and shady bits in the middle. I'll try your order next time, and see how it goes! (And I'm poking my way through your draft, swear it.)
Hmm, I see! I guess it really wouldn't work in that order - unless you coloured the outlines first, then combined it into one layer and then started adding the colours underneath that layer? But that's probably too much trouble.
I used to do shadows on a separate layer too until I found out that in Corel Painter it works out better to paint them directly onto the colours layer. I guess it'd be different in Photoshop, though.
Doing the shadows as a separate layer only started when I got lazy and decided to cell-shade. Before I was lazy, I'd use dodge and burn for shadows and highlights, so they were on the same layers as the colors. Now that I'm migrating back to my old style, I'll probably start doing that again.
I wish switching to cel shading counted as getting lazy for me! Unfortunately I cannot draw a straight line, much less a curved one, so me and cel shading do not mix.
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Hmm, what layer settings have you used? I usually set the outline-colouring layer to Screen.
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I've tried just about everything--screen, colour burn, hard light, soft light, every degree of transparency; I've more or less settled on 'multiply' as the most likely to look half-decent, although I've started doing some hand-wavey things with the colour layers that seem to mitigate my problems with the lineart layer.
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I usually have general colours set to Multiply on top, then outline-colours set to Screen in the middle and the plain lineart on the bottom.
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I used to do shadows on a separate layer too until I found out that in Corel Painter it works out better to paint them directly onto the colours layer. I guess it'd be different in Photoshop, though.
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Doing the shadows as a separate layer only started when I got lazy and decided to cell-shade. Before I was lazy, I'd use dodge and burn for shadows and highlights, so they were on the same layers as the colors. Now that I'm migrating back to my old style, I'll probably start doing that again.
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