Well I beg to differ, gooze.. :)
I mean Yulia is quite the slimstress, as is Felicity! - and Erica Campbell will never be referred to as voluptuous.
I urge you to compare Erica and Danielle (your first link)... however I might concede that Pixie(Pillows) and Christinia(Model) are not "slim" in the strict sense of the term, though I believe you could be blinded by boobies there - and certainly in relation to the rack, those bods are definitely not in any sense ample beyond reason.
However, this is a debate I could go on and on and on about. And I think we should. Go ahead, look again - compare. Give me more links. People - join in! More links! Moreslim girls with boobs!
I'll add some fuel to the fire: :D
http://www.bigboobsalert.com/bustypl-ewa.php
http://www.wantboobs.com/boobs/haley-paige-b/index.html
http://www.wannawatch.com/hosted/index.php?ws/newgalsc/bigtitpatrol32
http://www.bigbreastarchive.com/alphabetical/aneli/aneli.html