Generic filter to block or permit items by keyword(s). Filters are case sensitive; separate words or phrases with commas. Keywords can be treated as regular expressions. Optionally aggregates space-delimited multiple feeds.

Calls the flickr.people.findByUsername API to return the FlickrID for a given username, then returns the comments feed for that FlickrID.

Given a Flickr photoid and username, returns the last commented date.

Filters out comments: 1) by keyword, 2) that are old, or 3) that have a gif or jpg in them. Makes exceptions for comments that mention the username or any "magic words."

The Big Picture is a photo blog for the Boston Globe/boston.com, entries are posted every Monday, Wednesday and Friday by Alan Taylor. Inspired by publications like Life Magazine (of old), National Geographic, and online experiences like MSNBC.com's Picture Stories galleries and Brian…

Note: use http://pipes.yahoo.com/earth2marsh/twitterfavs instead! This scrapes Twitter, which isn't as good as using the API (see link above). NOTE: does not authenticate, so it only works for users public favorites.

Enter a product number and create an RSS feed (or other widget). Filters out any items that don't qualify for free shipping.

Scrapes the Suggestions board for Yahoo Pipes and makes the data nice. Also works for other Yahoo product suggestion boards, see http://suggestions.yahoo.com/ for a list.

Create a podcast feed by giving this pipe a delicious username and tag. Create podcast mix tapes tagged for your friends or subscribe to a single episodes without having to add a whole feed. Works in iTunes. Just be sure to tag the original mp3 source.

Enter a product number and create an RSS feed (or other widget). Filters out any items that don't qualify for free shipping.