I just got a new WordPress plugin developed. It allows your blog readers to donate money via PayPal. It is widget enabled.
But instead of placing a Donation button, the plugin adds a "Buy Me a Beer" button and link in the sidebar and under all your blog posts - which increases the number of donations bloggers receive. (Or for people who prefer non-alcoholic drinks, it adds "Buy me a Coffee" button and link)
The plugin can be found here:
Hope you find the plugin helpful.