I use Matilda's Own and find it quite good. The backing releases more easily than some others so the fabric doesn't stretch in the process. It comes up reasonably white. I don't stitch through the pics though, just SID. I use it for both labels and on the front of quilts.
Both pics are very clear "in the flesh", so excuse my poor photography.
On front of one quilt
[ATTACH=CONFIG]98170[/ATTACH]
Label on back of another
[ATTACH=CONFIG]98171[/ATTACH]