With version 4.0, no direct image save, only via page saving, which is not guaranteed to work. You will need to use the old 3.1 version if you want image saving capabilities as can be seen in here
+ (View / Save to File...; as it has no context menus, everything must be selected from menus and only after a new dialog is presented to click the link to save can you save as is shown in this mini-tutorial: 12345)
- (only via Save Target As)
+ under WM5, - under pre-WM5 (shows IEM's own context menu)
+ (View / Copy address to Clipboard; it must be done the same way as with saving link targets)