To upload an image, please ensure you have the image stored on your own pc rather than inserting an image by reference to its URL on the internet.
Click Create
Click the photo icon
In the dialog box, select 'Add an image from your computer'
Do not use 'add an image from the web' unless you have the permission of the website owner.
Click ' browse' to find the image you want to use then click upload.
Publish your post.