If you want to embed PPT file on your self hosted blog or on blogger, you can do it in a very easy way, what you need to do is first just convert your PPT file or PPS file to flash file by using free powerpoint to flash converter, You can get this conveter by searching at google, you can get ppt to flash convertor at this link. You just convert your powerpoint slides show file to swf file by using this free converter. After converting it upload it on your web directory. If you are using free blog like blogger or wordpress you can upload your flash file at free flash file host, after uploading it at free host, you will get a link to your flash file, use this link to imbed flash file in your blog. For any more difficulties please comment here.