u dont need to *enable* the extras-devel repos if u dont want to,

u can just download the individual .debs u want, download these ones:
libzeemote_1.0.5-maemo1_armel.deb
libzeemote-dev_1.0.5-maemo1_armel.deb

libzeemote-conf_1.0.1-maemo3_armel.deb
libzeemote-conf-dev_1.0.1-maemo1_armel.deb

then root
dpkg -i <alltheabovedebs>.deb