fist grow cab

well this is my first grow cab. what i had in mind was to have a small grow op 2-3 lowryder or 1 regular indica/ indica cross growing . here are the specs, for some reason the pics are fused together? oh well . feed back is welcomed +rep/ given.

hight-4ft
leng-22 inch
depth-15 inches
wood-$15.00 (home depo)
150 watt hps light -$72.08 (mdhydro.com)
inline duct fan 6 inch- $25.00 (home depo)
inline duct fan 4 inch- $20.00 (home depo)
dwc system wall mart total $25.00
-6 gallon conatier
-2 pumps, 3 air stones, tubeing, duct tape, mylar survial blanket

sounds like a good start, i would try to make it alittle larger if your planning three plants, hey should grow nice under the 150w HPS