Problem 1: Customize the WebPart MinimizeVerb,RestoreVerb,CloseVerb icon. like igoogle
Solution:
Set these property of webpartzone CloseVerb-ImageUrl,RestoreVerb-ImageUrl,MinimizeVerb-ImageUrl like this:
<asp:WebPartZone id=”wpz” runat=”server” CloseVerb-ImageUrl=”url of close image” RestoreVerb-ImageUrl=”url of restore image” MinimizeVerb-ImageUrl=”url of minimize image”>