The OFF Center Fed Antenna is the simplest antenna that anyone can install. It will allow you to operate on 7 to 8 different bands depending on the leg lengths. This antenna will outperform the standard center fed dipole when operating on its harmonics.
You'll be amazed how well this antenna will work for you. This book explains the advantage of using this type antenna using a single wire and a balun transformer. This book also explains how to optimize your transmitting location.