When receiving an e-mail with in-line image, you cannot save this image except from going into Edit mode, right-click, copy, go to your favourite image editor, paste and save....
Even performing a screenshot of your e-mail is faster!
Please add an option: File: Save as PDF to the default menu options.
The underlying capability is already there (built into eclipse)... it just needs to be surfaced. This should act just like the Print dialog and let you choose document or view, etc.