del.icio.us is quite a nice service. Once you've created an account you can use bookmarklets to tag pages, adding a description and a comment if you like. Given that it's nice to store things there, it seemed that it would also be nice to share them here. Hence a small chunk of Python. This was really much easier than I expected.

#!/usr/bin/python

deli_user = "dme"

mt_url = "http://www.dme.org/cgi-bin/mt/mt-xmlrpc.cgi"
mt_id = "1"
mt_user = "David Edmondson"
mt_pass = "SecretSquirrel"

# how often this script is run, in seconds: 24 hours
freq = 24 * 60 * 60

import feedparser
import xmlrpclib
import time
import calendar

# post all new items since starttime
starttime = time.time() - freq

result = feedparser.parse("http://del.icio.us/rss/" + deli_user)

postworthy = 0
post = ""
post += "<p><ul>\n"

for i in result['items']:
    thistime = calendar.timegm(i['date_parsed'])
    if thistime > starttime:
        postworthy += 1
        post += "<li><a href="+ i['link'] + ">" + \
                i['title'] + "</a>: "+ i['description'] + "</li>\n"

post += "</ul></p>\n"
post += "<p align="right"><a href="http://del.icio.us/" + \
    deli_user + "">del.icio.us</a></p>\n"

if postworthy > 0:
    server = xmlrpclib.Server(mt_url)

    result = server.metaWeblog.newPost(mt_id, mt_user, mt_pass,
                                       { "title": "Quicklinks",
                                         "description": post },
                                       True)

Save the code (I call it deli2mt), update the variables at the top of the script then run it from cron once each day. The only non-standard Python module is Mark Pilgrim's Feed Parser.