Donate Ribbon is a free wordpress plugin and it adds a black Donate ribbon in the upper right corner of your wordpress site .
Main features:
set the link to any URL you choose via the settings page.
vertical offset options.
set the link title hover message
To install
Login to wordpress (wp-admin).
In your admin dashboard click plugins and select Add New.
Type Donate Ribbon in the search field and click Search Plugins button.
Install Donate Ribbon.
After the successfully Installation click the activate Plugin link to activate the plugin.
[OR]
Download Donate Ribbon wordpress plugin. Download link.
Unzip and upload it to your WordPress wp-content/plugins directory.
Login to wp-admin. In your admin dashboard click plugins and activate the Donate Ribbon wordpress plugin