first download this Text File and follow step it will work 100% if not thn let me know. link is below
hxxp://www.4shared.com/account/file/254512204/85f1c21e/how_to_run_ASA_in_GNS3_1_.html
use these two files for ASDM and do all the step those i posted here
no need fiddler or any thing
http://www.4shared.com/file/cm7sFS6d/asa802-k8initrd.html
http://www.4shared.com/file/PE_3K7d1/asa802-k8.html
hxxp://www.4shared.com/account/file/254512204/85f1c21e/how_to_run_ASA_in_GNS3_1_.html
use these two files for ASDM and do all the step those i posted here
no need fiddler or any thing
http://www.4shared.com/file/cm7sFS6d/asa802-k8initrd.html
http://www.4shared.com/file/PE_3K7d1/asa802-k8.html