Zinkabella,
I also work for DJ as Cabin Crew - and my feet absolutely STINK REALLY BAD!!!
My mum has the same problem and she put me onto this zinc based powder that you can buy from any good chemist store - and it really really helped me. It costs a bit ($15) but it is really good stuff!!! It is called GRANS REMEDY. It comes in a yellow cyclindrical tube with navy writing and a navy cap. It is worth a try. It fixed my problem right up, after I had tried everything on the market
STF