this is just illustration, for info try the real thing!

OK, you're keen and sure you want to go through with this approach! When you hover over the boxes in those three rows (the real thing, not the illustration above!) it will pop-up what each of them mean. Explaining these, based on the pop-up text:

Link Target Link to detail page Direct link to original No Link Show only the link, not the image
Alignment No align (text runs on) Left align (to the left of ongoing text) Middle (and text goes below) Right align (to the right of ongoing text)
Image size Small (200px) Medium (400px) Large (600px) Original size

So, say you choose, by clicking on: Direct link to original; No align; Medium. The click on “Insert”. You get something like this (I've just uploaded a random image):

{{:doc:2024-09-24_18-39-24.png?direct&400|}} which is displayed as

Explore other options yourself. You can cross-compare this with the explanation in inserting images.