I'd really love to see someone do an icon tutorial in GIMP - both how to make image and text interesting. Do you know of anyone making (pretty) icons in GIMP?
Gimp doesn't have selective color, which is quite popular in modern tutorials, but aside from that feature, the most significant things - curves, layer blending styles, blurring and sharpening, levels, etc - all work the same, so any tutorials based on curves work with it.
I ran a GIMP icons tutorial last year at a con - here's the online version - but it was really, really, basic. "Here's how you crop! Here's how you adjust contrast!" basic. So you're probably beyond that level already.
My basic icon rule is, I do all of the visual adjustment on the large size image first. If I think it is ready, and it is all layers, I export it to png at the same size first.
Then create a blank 100 x 100 75dpi transparent new image. Select either whole or part of the large image I want, copy it and paste into the new 100 x 100 image I'd created. Then in the Layer menu, I choose 'Scale Layer' to re-size my pasted image until it is at the size I want, and the way I want. Always make sure your Interpolation is Sinc Lanczos3.
A lot of steps, but it usually works for me. I'm not very good with text, though. :(
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As for tutorials, I know there are a huge PILE of them over at LJ.
My basic icon rule is, I do all of the visual adjustment on the large size image first. If I think it is ready, and it is all layers, I export it to png at the same size first.
Then create a blank 100 x 100 75dpi transparent new image. Select either whole or part of the large image I want, copy it and paste into the new 100 x 100 image I'd created. Then in the Layer menu, I choose 'Scale Layer' to re-size my pasted image until it is at the size I want, and the way I want. Always make sure your Interpolation is Sinc Lanczos3.
A lot of steps, but it usually works for me. I'm not very good with text, though. :(
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The
http://icon-style.dreamwidth.org/tag/themes
http://icon-style.livejournal.com/tag/themes
Also the winners in the challenges are encouraged to explain how they made their icons; not exactly tutorials, that, but at least they're tips.
Links to GIMP resources and tips are included in this link collection: http://www.katspace.org/links/graphics/
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