Really nice this macro photography took to a red dragonfly by Balaji Malliswamy and shared from his courtesy under CC0 license. To see the details of this image, check it at full size and download optimized for apply in desktop backgrounds, homescreen phones or in other projects that you might have.
Widescreen Desktop / Macbook (Retina): 2880x1800 (fits on: 2560x1600, 1920x1200, 1440x900)
High Definition HD 1080p: 1920x1080 (fits on: 1600x900, 1366x768, 1280x720)
Samsung Galaxy Tab & iPad: 2048x2048 (compatible with many tablets)
HTC, Samsung Galaxy & iPhone: 1080x1920 (compatible with many phones)