The links all say that they are Photobucket, but they don't open for me at all.
Kalmbach does not always "like" Google Photos--for no obvious reason.
The basic method seems simple--you go to a hosted image (preferably ont one held for ransom like PhotoBucket). Right click the image, select Save Image location.
Open the insert photo icon (5th from left, looks like a tiny mountain)
When the window opens, by default it's waiting at Source. You can just right click and choose Paste, or use CTRL+V (which is the same thing)
I constrained this image to be 600 pixels wide, as the original is 1680.
(This is a hoto I took at the Norfolk Naval Museum.)
This image (2017 Charlestown Naval Yard) is 800 pixels wide, which is a bit wider than the stylebook (the set of instructions that formats all the replies here) allows, so it has a slider bar at the bottom to see the whole thing.
This image (and AutoCAD render from arounf 2002) is 400 pixels wide.
As a matter of practice, I set text, then dro down two lines, and "slug in" the next bit of text (this is sumetimes gibberish, like "askahdfsjf" as a lace holder), then move the cursor in between the two, then click the insert photo button. Which seems to mae for neater compostion (at least for me).