Plugin - widget that will show top songs every day - set this to your sidebar and you will have amazing content.
Yes. You can control number of displayed songs in widget configuration area once it's put on Widget Area.
Yes. You can control image display in widget configuration area (default option is set to: true).
Yes. You can display songs to perform as external link to external source displayed above by setting this in widget configuration area. Default option is set not to show external song links. (Default display external link: false)
Plugin was created by Tomaz Miholic also known as brainwithstorm. He is owner of few blogs and based on needs of getting top songs data on his wordpress websites he created this plugin and now he wants to share it with community.
If option that displays images is enabled than this can happen due to external images being loaded into user's user agent. Also every two hours cache of songs will expire and initial load of new songs can also has slight impact on the page load.