I definitely like the top best, it seems to pop more than the others. I think it makes a nice wall hanging as it is, either with a solid black or dark grey binding (no border) or with a multi-color pieced binding like Bree123 has suggested. Stunning.
Rob<object type="cosymantecnisbfw" cotype="cs" id="SILOBFWOBJECTID" style="width: 0px; height: 0px; display: block;"></object>