If you're running Jaguar, the PDF format is all it allows for screenshots.
The workaround is to take your PDF screenshot, open it in Preview, and choose Export from the File menu. Then you can create a copy in any of the standard formats - tiff, jpeg, etc.
The workaround is to take your PDF screenshot, open it in Preview, and choose Export from the File menu. Then you can create a copy in any of the standard formats - tiff, jpeg, etc.