Get your readers to donate more by linking to your PayPal donation page at the end of every post. Includes a donation link shortcode.
This plugin adds a PayPal donation button to posts and/or theme.
WordPress PayPal Donations Plugin is exactly what the name suggests: it offers users the ability do donate and optionally buy a link.
Adds PayPal Donation Button For The Childs Play Charity
EasyDonation allows WordPress users to easily embed a PayPal donation button with one tag.
RSS link for this tag.