root@OpenWrt:/usr/lib/ipkg/lists# cat /etc/ipkg.conf
src snapshots http://downloads.x-wrt.org/xwrt/kamikaze/7.06/brcm-2.4/packages
#src snapshots http://nbd.openwrt.org/kamikaze/7.07/brcm-2.4/packages
dest root /
dest ram /tmp
src X-Wrt http://downloads.x-wrt.org/xwrt/kamikaze/snapshots/brcm-2.4/packages

root@OpenWrt:/usr/lib/ipkg/lists# ipkg update
Downloading http://downloads.x-wrt.org/xwrt/kamikaze/7.06/brcm-2.4/packages/Packages
Updated list of available packages in /usr/lib/ipkg/lists/snapshots
Downloading http://downloads.x-wrt.org/xwrt/kamikaze/snapshots/brcm-2.4/packages
/Packages
Updated list of available packages in /usr/lib/ipkg/lists/X-Wrt
Done.

root@OpenWrt:/usr/lib/ipkg/lists# ipkg install ntpclient
Nothing to be done
An error ocurred, return value: 4.
Collected errors:
Cannot find package ntpclient.
Check the spelling or perhaps run 'ipkg update'

root@OpenWrt:/usr/lib/ipkg/lists#