This extension centers viewed images in Opera 15 and changes page background color.
Installation steps
- download and extract this zip file
- modify background color in js/center.js file according to your personal preferences (default color is #404040 dark gray)
- press Ctrl+Shift+E to open Extensions
- enable Developer Mode in the top right corner
- click Load unpacked extension button and navigate to the folder containing the extracted files
Known issues
- image is centered only after download
- setting background color is a bit awkward, but without a fancy one-option setting UI this extension does not require an own process
Download: CenterImages.zip
Source code: GitHub repository
Extension icon copyright by dAKirby309
