Excel 2003

Is there a way to make a macro open a specific file within a specific
program, or to launch a specific program and then open a specific file
in it?

The file:
C:\Images\MyPic.jpg

The program:
C:\Program Files\IrfanView\i_view32.exe

(It doesn't work to just open the jpg file using a simple link because
Excel by design opens jpg's in Internet Explorer, not the associated
program, and I don't want it opening in IE.)

Thanks,
Melina