Default [Q] X10 Downloading apps not from Market place

When I try to download Skyfire for 1.6 Android from the Skyfire site, I get a message: Download Blocked! I can not download an app out side of the Market Place. Is there a way to change the phone settings to allow the download or is someone able to make an app fro Skyfire in the Market Place? Skyfire will not make one for the older system. Who knows how long I will have to wait for Sony to get off their buts and make the 2.1 for the States!!!!!

Thank You to anyone that can help me on this.