There appears to be two issues here.
The first issue with not being able to save an export wizard template when invoked from an editor result set is intended behavior. The results of an editor can vary wildly depending on the statement used, so we don’t support the ability to save this as a template. You can only save as a template when invoked from the Tools menu, or by right clicking an object from the object explorer.
The second issue is interesting. What export format are you trying to export to? If you want to export to a fixed width column format, then you can set both a default width size, as well as the individual column size when choosing the columns. I’m not sure I understand why you can’t set the column width in your case. Can you provide some more information or perhaps a screenshot?