Would this do the job, maybe run multiple times in parallel?
(Please replace the url's..)
#!/bin/sh
while true
do
for i in \
http://www.fi/ \
http://www.fi/search.html \
http://www.fi/index/ \
http://www.fi/~jaakko/ \
http://www.fi/sss/ \
http://www.fi/www/ \
http://www.fi/links.html
do
lynx -source $i > /dev/null
done
done