Site messed up in firefox and ie 7 please help

https://validator.w3.org/check?uri=http%3A%2F%2Fsmiling-dream.info%2F&charset=%28detect+automatically%29&doctype=Inline&group=0

https://codex.www.ads-software.com/Validating_a_Website

check this post: equinox-sounds-deep-electro-lounge-2-multiformat-dvd.html

it seems to contain the (or some of the) unmatched divs

similar this post: sony-mediasoftware-pulse-pure-analog-lifeforms-wav-acid.html

and maybe more posts.

the way your ads are messing the layout is probably probably caused by the position they are added in – try to keep them within the #wrapper div.

heres my default theme same thing without ads check only index page creating prb
https://smiling-dream.info/?preview=1&template=twentyten&stylesheet=twentyten&TB_iframe=true

the last link produces the front page (preview is only visible for you as admin)

did you check the posts for matched divs?

how did you add the ads?

fixed it after deleting lots of post