This is GREAT, Paul !

I found that for those badly inserted images the Paragraph alignment parameters where set to 'justified' and the Line Spacing to 'Exactly 10pt' and resetting these to (Centered' and 'Single' suddenly the images became fully visible...
Thank you so much !!!

... a final request please:
would it be possible to rearrange the macro you sent me previously with another layout option: 'Inline with text' and also to include these Paragraph parameter settings and to center the content ?

This would save me a lot,lot of work !