4K HD Wallpaper: Rustic Ornament
And the 3rd image from portfolio of Elizabeth Meyers. Like the other 2, this one is also available under CC0 license from her courtesy and optimized here for use in phones, desktop backgrounds, blog articles, apps, web design projects...
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)