Based on what you are telling me, here is something to consider...
The content editor that we use does *not* do a very good job of accepting information *pasted* into it from *external* sources--the results may be unpredictable. I know it has a Paste from Word icon, but even that is sometimes a bit unpredictable. Copy/pasting text within the editor works fine... it is the pasting of *external information* that is dicey.
If you save to your computer then upload an image, you should be fine. However, copy/pasting an image into the editor will generally not work. This area of accepting external information is something that the developer of the editor (we did not develop it) is actively working on currently to improve... I keep an eye on their development efforts, since the editor is such a key part of FTH.
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