[Koha] Adding a custom banner to the opac

Hi, If I need to add a custom image as a banner to the OPAc ,where should I add the image in local to access it through HTML.? Can anyone help me on this? What is the HTML code to insert the image on the header? Thanks in advance. -- Regards, Balaji Ravichandran ( பாலாஜி ) , Volunteer at Free Software Foundation - Tamilnadu, Mobile : 9790528505 My Blog - balogic.wordpress.com