For less than $1,000, look at what a community can do to better itself. This example comes from the south side Dallas neighborhood of Oak Cliff, which is a largely low-income inner city neighborhood with a cool main street strip. Oak Cliff has been a really sleepy, poor inner city area until recently when the Bishop Arts District came alive recently and now, Oak Cliff's main street is showing some promise.
They took an existing street and without doing an expensive million-dollar streetscaping project, they divided the wide street into multiple uses..one lane for car traffic, another for car parking, and a strip for bicycles denoted by green paint. Most importantly they also brought the sidewalk out further and put in a patio seating area and adorned it with extensive greenery.
They took their concept to the Internet. Here are the videos:
If Dallas can do it, OKC certainly can.