If you have your pics on Google Photos (
https://photos.google.com), you can post them directly to the forum like so:-
1) Find your pic in Google Photos, click the share button and "Get Link". It will look something like this
https://photos.app.goo.gl/ck3kzSq5jxM9iYVd6
2) Go to
https://ctrlq.org/google/photos/ and paste your link into the box and click "Generate Code"
3) Copy the "Direct Link" URL. It will look like this
https://lh3.googleusercontent.com/sA...P6ljZ-FI=w2400
4) Click "Insert Image" on your post and paste the link.
5) Adjust the number on the end of the url to set the size. My example above ended in 2400 which is a huge image. Set it to something like 400 or 640 to resize it to a more sensible size