Archive all available sinfest.net strips. You know, just in case.

sinfest.py

#!/usr/bin/env python

from datetime import date, timedelta
import urllib, os

day = date(2000,1,17) # the first day

while day <= date.today():
    name = day.strftime("%Y-%m-%d") + '.gif'
    if not os.path.isfile(name):
        f, headers = urllib.urlretrieve("http://www.sinfest.net/comikaze/comics/" + name, name)
        print f, headers

    day += timedelta(days=1)