Setting up SVN for teamwork on WordPress custom theme development

If you don’t want the designers to setup a revision control on each computer (this is the normal route), set up the designers on one cloud/remote server with SVN ( or even better a DVCS) that the dev teams can pull/push to. This technique can be combined for further control, this is done so team leads or senoir dev/designers actually control what is committed or not.

                                            Live
Designer ---\                                |                                /--- Dev         
Designer --- -- Designer Staging <-> Master Staging <-> Developer Staging --- --Dev 
Designer ---/                                                                 \--- Dev