Since our Founder and Admin like anime names, I went with Anime vs Anime fighting game theme.

About the image: "Bitcointalk is about glorious battles.... and ad banners."
Preview Resolution: 2048x1080px (1.57mb) - downscaled to 1280px width
Bitcointalk 10th Anniversary Art:

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Full resolution (4096x2160px - 9.11mb) + Work-in-progress screenshot
link: imgur.com/nc50lc

Made entirely by myself using ClipStudioPaint for the sketch, ink and color; PhotoshopCS6 for the post-processing.
By the name of the tools, yes, it's a Digital Art (no physical copy).

Bitcoin Address: 3CcopZ4Suv68ikgCCUPkxkUrtkjfxa5J9F
Anyone can print the image for personal use only.

-edit: fixed weird aspect ratio with low resolution devices-