I sub to Good Housekeeping. I started receiveing it as a wedding present from Grannie and I have just kept up with it.
There is a good article this month that is about walking and Jorge Cruise does a really good 8 minute workout for abs. I have done this work out a little, and it does take off tummy fat. Here is the link for the walking http://magazines.ivillage.com/goodhousekeeping/diet/cruise/articles/0,,695007_700110,00.html
and here is the link for the Flat belly Fast
http://magazines.ivillage.com/goodhousekeeping/diet/cruise/articles/0,,695007_697366,00.html