No, i haven't had any real success and have converted back to all normal ads. U could trying reviewing your referrals and writing good things about them
60% of my Adsense revenue comes from Adsense Referrals. There is a psychologic trick for getting people to download Google Pack.
I still do very well with FireFox referrals - Firefox and GooglePack are pretty easy sells because they're free. See the link in my signature to see why they call me The Referral King