Filter Image Without Type on OSX?

[Scott Rossi]

Answering my own question:

> Is it possible to use any kind of wildcard with file filtering on OSX?
> 
> I have several JPEG images that show no file type (just the empty boxes)
> which often happens when Preview gets ahold of them.  Then when trying to
> filter a list of images in an answer file dialog using "JPEG", the
> aforementioned JPEGs are grayed out and not selectable.  Is there any way to
> work around this?

Guess I have to use "answer file with type"....

Regards,

Scott Rossi
Creative Director
Tactile Media, Multimedia & Design