ZBrushCentral

Please Help me with this texture problem!!

Hie,
i am quite new to zbrush… i was doing texturing with zproject…
the problem is
when i use zproject tool with geometry on some like face it works fine but here u see in pic i did that and texture is so blurred and faded…
i streached the mesh to make it big from shirt is it the problem… and if please tell me how to fix that.
thank you:)
http://img43.imageshack.us/img43/894/demolvs.jpg
here is the link
http://img43.imageshack.us/img43/894/demolvs.jpg
thanks

more polygons