Searching the internet i found this link:
Wrap text around an image
If you are familiar with some inline java coding you can have a solution to your problem. It is somewhat of a "hack" though.
In this testcase example the image gets a wrapSquare (vierkant) setting:
You can then move the image in the document:
If you create a testproject you can try some things out... And if you get stuck... publish what you have on the forum and maybe some member with java skills can help you...