To delete any of your Auctiva hosted images, please go to Auctiva -> Images(tab) -> Manage Images. On that page, just check the box next to each image you'd like to delete, and click the blue "Delete" button.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .