I gave each god 6 domains, and the clerics have the powers of all.
They cast spontanously, but only know 8 fixed spells per level (i.e. on lvl 1 their 6 domain spells , CLW/ Bless if channeling positiv or ILW/Bane if channeling negative)
No hv. armor, HD d6, +2 skillpoints/lvl, Channel Energy...