Reptile carpet is a haven for bacteria.Best natural looking and still easy to clean substrate would be reptile carpet, or apparently tile from what a lot of people are saying. That looks like it'd be uncomfortable for the gecko.
Well I haven't had any problems that I've noticed with the reptile carpet, he's gotten stuck a couple times like I've mentioned before, but that's only when the cricket gets loose from the tongs when I feed him. I am checking out tiles this weekend, but till then, will have to keep him on repticarpet. Tons of people seem to be using it just fine. I also guess it depends on what kind of reptile carpet/brand you got before. I think there's different types of reptile carpet.