Step 1:- Login to your ebay account.

Step 2: Go to My ebay on right side corner.

Step 3: Choose sell my Item or Revise my item.

(I will be selecting revise my item as I already have one item listed.)

Step 4: Upload the necessary images on server via FTP or you can use different image services to host your images.

Step 5: Open the html File in any of the text editors like Notepad , Notepad++ , etc.( I will be using Notepad++)

Step 6: Edit the information like name, description, etc,. in the HTML template.

Step 7: Change the path of the images of the products to the path where you have stored the images. Note: here Ultra1,ultra2,ultra3,ultra4 are the name of my images.

Step 8: Copy the HTML code and paste it in the listing .

Step 9: Save.

http://www.infigic.com/5-tips-for-building-a-successful-ebay-store/