mp_carpark - Fun
mp_hillassault - Fun, bit buggy
mp_fruville_final - Didn't work (works now, untested with 5punkers)
mp_dhc_carentan_r - Construction by duplo
mp_doomed - big, but fun
mp_karkand_b1 - horrible
mp_kob_breakout - awesome
mp_offices_v3 - quite small, moderate fun
mp_pst_thedam - Didn't work (works now, untested with 5punkers)
mp_qmx_matmata - Cod2 rebuild, good fun
mp_sharqi_day - Rather good
mp_Training_Camp - Didn't work
I only tried about half of those, but I agree from the ones I did play. More custom maps please - see if we could maybe replace the crap ones with two or three more good ones, and have that as a rotation for a while.