Grid view on home page not alinging on any browsers

hi, on my home page if i set grid view (from admin area page setup) then the grid images dont align properly. please see the screenshoot. i have tried disply 3/4 listing in arow but the images dont seem to align on any brosers. however, on category disply page if i sort by grid view they do disply nicely. its just home page that breaks. And it was like that before the last update came. What can i do to disply grid view properly?
Thanks