If you left some mistake the you can easily edit or delete the images / articles from your panel.

Lets we understand it in very simple steps.

(Delete the image / article)

STEP - 1  

Just click on "Delete" button to delete the image.

(Edit the  image / article)

STEP - 2 

1. click on "Edit" button.

2.Now all data of article fill in text box. Just edit it.

Finally click on "Submit" button to save the data.