This plugin would help you auto load the google analytics code,whenever you change your wordpress theme
Enhance feed items with anything: ads, copyright, "Add to delicious", "Read More (400 words)" links...
FooterComments adds html comments to your wordpress footer
Injects HTML snippets into the header and the footer, to make them persistent across themes (theme-independent).
This plugin is for adding certain text to every post, before or after.
Automatically inserts links for visitors to AddThis and Tell A Friend and Subscribe to RSS at the end of each post or page.
This plugin makes it possible to mimic search engine's search behavior, by showing related searches and spelling suggestions.
Adiciona o código de auto anonimação no blog protegendo os links de serem detectados.