Hiya,
For the bullet in IE7 (seems OK in IE8) you could try adding a list-style-position to the class:
.homeList {
list-style-image: url(../../images/home_pix/sq_bullet_14.gif);
list-style-position: inside;
line-height: 24px;
float: left;
}
Refresh the page to see if it 'takes'. It might be worth a try.
I can't see a problem with the thumbnail spacing in IE7 or 8 - what browser and version are you testing it in?