Well, here it is:

http://i129.photobucket.com/albums/p203/blackdragon_photo_bucket/StreetTileEdit.png

Lemme ellaborate on a few things about this.

Ok, first thing I did was devise a palette. I used a slightly desaturated (more grey; or in other words less bright or blinding) and slightly yellow  green as my midtone. I hueshifted to a more blue color every time I went a shade darker. I took away the outlines on the bottom to give it a smoother look, and for the top outline I used a slightly darker green.

Same story with the sidewalk, I just used more blue every time I got darker (don't do this with every color; for instance red or yellow, that would be purple and green respectively).

The stopsign involves the use of the skew tool. I made a perfect octagon at the right size, and then higlighted it with the selection tool. I then used the skew tool and set the vertical skew to 26, the approximate angle of isometcics. True Isometric is 30 degrees but the pixels look jaggy at that angle. I did the same skew thing with the words.

Make sure your pixels stay true to the outline. This means that make sure the pixels match up correctly in all places, don't make some edges three pixels and one on the other.

Its the right one now :D

Ok, one thing I don't understand is the texture. It is unnecesary.

I could cook up an edit if you'd like.

Don't hammer the guy, he might have uploaded the wrong one, or saved as the wrong file.

pixelNOOB, could we have an honest explanation?