In a post? You click + Reply – not quick reply, the button just above quick reply. The you type whatever you want to type and look under the text box. There should be an ‘attachment’ tab, click it. Now click browse, click the picture you want then upload. Once you have done that you click the button that allows you to insert it into the post. You can add more by doing the same thing

There’s a maximum pixel size limit to photos, so you can also check the Technical Section’s first few posts for instructions if Isabella’s very good instructions don’t seem to be working. That would likely be due to a pix that’s too large.