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"Like" seems to work fine for basically the same purpose.
i'm a rebel
It looks a good deal like the WTF icon...
The forums had an 'agree' option all along, it was just disabled.There are also 'awesome', 'insightful' and 'up vote' options available.
Or at least change the colour. White for AgreeRed for DisagreeGreen for LikeBlue for LOLYellow for WTFor something
Results of disembowel testing | Knight limb counter | GMCP AB files
Unfortunately, that's not something we can customise at this time!
It looks like they're CSS-side images rather than actual IMG tags, so if the CSS itself can be customized (which I am almost positive it can be, given one of the CSS files is called custom.css), then they can be modified too. It'd just be a matter of finding out all the things you'd actually have to modify (all the places that the spritesheet shows up, basically), and making a new spritesheet (or spritesheets, if there are secretly multiple).
Could even do it client-side, if you have a CSS injector thingy in your browser, and an alternative spritesheet.
If the custom spritesheet matches up, you wouldn't even have to change anything other than the img paths.
Not at all. He could be right, and probably is, but so not worth taking the time to find out.