Stresslinux community

The USB .raw file unzips to 1,143,996,416 bytes which is just too large to fit onto my 1Gb USB drive.
Given that the .iso image is barely a quarter of that size, it would seem likely that it doesn't actually need to be so large.
Is there any way of shrinking the .raw file so that I can fit it onto my USB drive? (Or even a 512Mb drive for that matter)

Thanks
Paul

Well I've managed to find an answer to my own question.
The .RAW file can be mounted as a file system without too much trouble :

losetup /dev/loop1 /usr/local/src/stresslinux_64bit_11.4.x86_64-0.7.105.raw
mount -t ext3 -o loop,offset=$((512*63)) /dev/loop1 /mount/disk

I then (although its not strictly necessary) pruned the locale directories of non english localizations.

I formatted the memory stick (in my case /dev/sdb) as an ext3 partition
Next cp -pdr /mount/disk/* /dev/sdb1/ to copy the data across, and
then ran parted, set the device to /dev/sdb1 and toggled the boot flag to on

sdb1 currently shows at 609Mb, so it could be made to fit on a 512mb disk but it would require some further judicious pruning of files.