If you have any issues with the default Flash based image uploader for the Magento admin, check out this extension which replaces it with a much slicker, faster and less – well flash – image uploader.
http://www.magentocommerce.com/extension/1756/no-flash-uploader
nice 
Hi,
we have installed magento 1.5+ ,but it doesnt show Image upload button in magentp admin product page.
No Flash Uploader compatible to 1.4,how to i install this into magento 1.5
Please help
Thanks
Jagesh