<a href='ir.asp?http://www.aspobjects.com/ASP_Components/Graphics_Charts/Images/' target='_blank'>http://www.aspobjects.com/ASP_Components...</a>
<a href='ir.asp?http://www.hotscripts.com/ASP/Scripts_and_Components/Image_Manipulation/Image_Creation/' target='_blank'>http://www.hotscripts.com/ASP/Scripts_an...</a>
Existen componentes para ello, desafortunadamente no son gratuitos a esto se le llama crear Thumbnails
Saludos
<center><img src="http://www.pcmasmas.com.ar/foro/images/avatars/043.gif"><br>
Urjose</center>