if you have slightly dry skin, try studio moisture cream moisturizer. if you have really dry skin, try moisturelush moisturizer. ask for a sample of both, that way you can try each one out for a week or so, before you settle on either one. if moisturelush is too much for your skin during the day, try using a light layer of it at night and use studio moisture cream during the day.
you only need one foundation. moistureblend is a sheer-medium coverage. if that kinda coverage is what you're looking for, go with that. if you want fuller coverage, go with studio fix fluid.
apply your moisturizer and let it set for about 5 minutes. then apply your foundation. use either #190 or #191 brush. if you want a sheerer application, use #187. you can set it with select sheer powder with #150 or #187 (i would recommend this if you go with moistureblend because it tends to look too shiny). again, #187 will give a softer application of the powder so it won't show your dry flakes as much.