Austin-based Click Forensics, a provider of pay-per-click auditing, said earlier this week that it has signed on several new advertising networks as customers. According to the firm, AdJuggler, FindItQuick.com, Bravenet Media, and Turn are all implementing its technology. Financial impact of the deals were not disclosed. All of the firms are using Click Forensics to filter out click fraud and low quality traffic. Click Forensics is venture backed by Sierra Ventures, Austin Ventures, and Shasta Ventures.