OK, so when I apt-get -f install, I get:

root@Milo:/home/knoppix# apt-get -f install
Reading Package Lists... Done
Building Dependency Tree... Done
Correcting dependencies... Done
The following extra packages will be installed:
openoffice.org
The following NEW packages will be installed:
openoffice.org
0 packages upgraded, 1 newly installed, 0 to remove and 281 not upgraded.
3 packages not fully installed or removed.
Need to get 0B/10.9MB of archives. After unpacking 32.4MB will be used.
Do you want to continue? [Y/n] y
(Reading database ... 109636 files and directories currently installed.)
Unpacking openoffice.org (from .../openoffice.org_1.0.3-2_all.deb) ...
dpkg: error processing /var/cache/apt/archives/openoffice.org_1.0.3-2_all.deb (--unpack):
trying to overwrite `/usr/share/icons/locolor/16x16/apps/001_star_butterfly.xpm', which is also in package openoffice-de-en
dpkg-deb: subprocess paste killed by signal (Broken pipe)
Errors were encountered while processing:
/var/cache/apt/archives/openoffice.org_1.0.3-2_all.deb
E: Sub-process /usr/bin/dpkg returned an error code (1)
root@Milo:/home/knoppix#