AdHoc配置 - 向仍在开发中的现有项目添加更多设备的最简单方法是什么？

I have a project that I've been working on for a while. It is a standard Xcode/Objective-C iPhone app. I created the provisioning file for my device and a couple others. Now I would like to add a few people as testers. I have a project that I've been working on for