I'd be delighted to help. So, let me first check that I'm solving the right problem the wrong way
you open (a parallel to explorer.exe), find your exe, double-click it, wine start.
(the same), dbl-click, (not the right thing) happens.
desired: as per the previous part.
well, GNU/Linux systems aren't as monolithic as windows. In this case, it shows in that there's no canonical place(*) where you hold the association between `.exe' and `wine'. If you're using nautilus (a piece of Gnome), most likely you'll have to frob *that*; if you use konqueror (sp?) (the KDE thing) et al., you'll have to frob *that*.
So it all comes down to what program used to have that association (which you haven't told us).
(*) allright, I lied. There *is* a canonical place for `.foo-files' -> `program bar' associations. It's /etc/magic (man magic) and/or /usr/share/misc/file/magic (on my box). I have tried to find out how GNU/Linux decides how to open ELF binaries, but I haven't succeeded (so gurus, please enlighten me
). If you're interested in saying $ ./foo.exe (that is, run dos programs from the (GNU/Linux)/bash command line), you might want to look into this.