E' sufficiente applicare classi diverse ai diversi object
ES:
codice:
<object class="uno" type="application/x-shockwave-flash" data="nome.swf">
</object>
codice:
object.uno {
float:right;
margin-top: 300px;
width:300px;
height:300px;
}

codice:
<object class="due" type="application/x-shockwave-flash" data="nome.swf">
</object>
codice:
object.due {
.....
.....
.....
}