neb, the easiest way is by opening a Photobucket account. Go to www.photobucket.com and open a free account. It's easy. Once you have an account there, upload your picture per their instructions, again..easy.

Once your picure is uploaded there you can manipulate it, via size etc...

Once uploaded you want to copy the Direct Link. It's the second URL Address down in the column of 4. You left click it, it auto copies or you can highlight and right click and click copy.

Come back to your post and where you want the picture and click this icon on your tool bar of the post: This will open a window. Remove the existing https:// that appears in the window, right click there and paste your copied URL , click OK and your picture will post......