PNG webpage, HELP!! PhotoshopCS

When i load my webpage it loads slow, and i got 6mbps cable connection, and for some reason i see big wide or thin white lines when loading page, did i do somthing wrong? i used Slice tool to put in http:// urls and am not sure what i did wrong

any comments? what i should do and if u do tell me please go step by step cause am pretty new to this stuff

I think you need to post the url to your page so we can see the source code. To many things it could be to guess based on the info in your post.