Private Swedish lessons in Stockholm?

Does anyone have any good tips for private Swedish teachers in Stockholm? I meet with a lot of expats who would like to improve their Swedish but cannot make the commitment to attend regular classes after their initial course. Improving conversation seems to be the biggest goal (i.e. not reading or writing skills).

Any suggestions would be appreciated. Even students who want to earn some money. Most people living in Stockholm tell me they would prefer someone who does not have a regional or foreign accent teaching them.