3) I get this, as it see's all access points on network. In my case, I have a alot of mesh's. About 6, I just pick top one, which is normally the closest.
5) Just rename the file to .hdf. I created a few hdf's for use with Zulu, just renamed the to either .img or .hda to work with Zulu. So it will be the visever for .img/.hda.