How about these maps?
udark Small-medium CTF, very easy to learn.
theho1 Medium-large CTF.
thechase A 3on3bu/spaz4 type map.
stech1 CTF, might need flag.mdl's changed or atleast skin numbers, or toggle flag emulation.
srun1 Fast medium-large CTF. Reminds me of excel (think thats the name).