clip. It is a sample of the 96kbps profile used in my GUI.
If you don't want to use my GUI, this profile can also be used with the nsvenc CLI. Just download the 0.6.1.2 update off my site, and extract 096vp6aac.profile out of the profile folder. Rename this to nsvenc.exe.profile and stick it into ur nsvtools folder. Enjoy.
And for your de-interlace question, only use on a interlaced source. If your source is MPG or AVI, you don't need it. If you are ripping from a DVD, you probably do.