colorfilter has an icon texture challenge, and I was tempted. The reds are the first set I did, and I got carried away, so there are actually 24 of these.
Set a:
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12
And, set b:
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12
These were derived from a photo I took of a Japanese maple bush in glorious red leaf. Thereafter, it was playing around with Photoshop's offerings of filters, blending, masks, default brushes... and in one or two cases, a brush I got from the Photoshop Creative magazine.
I have no idea whether these will appeal to other people, but I had a lot of fun making them. If you would like to use any of the above, feel free. Credit is nice, comments are much appreciated.