this package is only an update
you have to install transmission with optware first
rm -rf /mnt/disk1/.optware;
cd /tmp;
wget http://ipkg.nslu2-linux.org/feeds/optware/cs08q1armel/cross/stable/ls-mvkw-bootstrap_1.2-7_arm.xsh;
sh ./ls-mvkw-bootstrap_1.2-7_arm.xsh;
mv /etc/init.d/optware /etc/init.d/rc.optware;
ipkg update;
ipkg install transmission;
echo '/opt/bin/transmission-daemon -g /mnt/disk1/share/.config/transmission-daemon' >/opt/etc/init.d/S95_transmission.sh;
chmod 755 /opt/etc/init.d/S95_transmission.sh;
echo 'killall /opt/bin/transmission-daemon' >/etc/rc.d/extensions.d/K05_transmission.sh;
chmod 755 /etc/rc.d/extensions.d/K05_transmission.sh;
/opt/etc/init.d/S95_transmission.sh;
optional 5.4.1 from my howto