ISP's all over the world have started to put a Fair Usage Policy, which limits the usage to a predetermined limit for users and its your duty to keep track of your usage and not cross the download limits, which could lead to your account suspension...
Internet Explorer 6 has a know problem with the transparency with PNG image type, for which there are different approaches in which this can be corrected but the problem is the user needs to do this manually by editing the code, but the IE6 Png Fix...