Darkroom is free e107 theme with fixed width and 100% width, two columns and custom layout with one columns. You can chose between blue and red color (fixed width and 100% width).
Original design by DesingsByDarren, licensed under a Creative Commons Attribution-Noncommercial 3.0 License by author, and ported for e107 by me.

If you use Corllete Lab User Style you can use { USTYLE_CSS_LINKS } short code to switch between 4 theme styles - fixed width blue, fixed width red, 100% width blue and 100% width red.

PSD included for easy change of graphics.

Online demo: [link]
Download: Darkroom v1.2