see deal Grand Theft Auto IV - PC $19.99 on Gamestop

In case you haven't been keeping up on it, the iCEnhancer PC mod for Grand Theft Auto IV adds all sorts of incredible graphical, texture, and lighting effects to the game -- literally transforming the 3 year-old title to cutting edge in terms of its visuals. Because of iCE and other add-ons, a community has been born around exploiting the graphical possibilities of the GTA IV

Since we've been so blown away by many of these, we've challenged each other in the office to see if we could actually spot the difference between real photos and images captured from GTA IV -- and it's not always easy. So we've posted a few of these below... can you spot which ones are from the game?Hint: They're all from GTA IV. Yeah, seriously -- this mod is amazing. Try challenging your friends to see if they can tell.(Thanks to Dead End Thrills and Neogaf for the pics).