Voting ends tonight (11:59PM CT) in the Pepsi Refresh SXSW Challenge, where Mashable is supporting SparkHelp, a location-based mobile application that looks to connect people to opportunities to volunteer in their communities.

As a quick refresher, we’re competing against two other teams to help SparkHelp win $50,000 in funding so they can pursue their idea. If you want to help us out, you can append the hashtag #RefreshMashable to your tweets until voting ends, as the idea whose hashtag is used the most gets the prize.

Meanwhile, the project and the competition have received a variety of media attention over the past few days. Below you can find our interviews with Blip.tv and The Derrick Ashong Experience on Oprah’s XM radio channel (our segment is around the 2:00 mark), where we talk more about the project. CNN and CNET have also written about the competition.

Blip.tv

The Derrick Ashong Experience

Tags: sxsw

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