Step 3 - Uploading.
Go to
www.Imgur.com & click this icon. (Alternative sites at the bottom of this guide)
Then browse your files for the picture and then click this icon.
Then
right click your image after it's uploaded and click this option (or similar).
And you should have a link on it's own:
Copy & paste this link including the img tags on your post like so:
Your images should now come up in your post, good luck.
Additional tips:
Try not to make your images too big, they may not load quickly and buyers may get impatient.
Make sure to save your images somewhere you can find them; relevant, labelled folders are suggested.
Your tip here?
Alternate image hosting sites:
www.Photobucket.com
www.Imageshack.us
www.Postimage.org
www.Flikr.com