Embroidered "Jewel" T-shirt

I got this shirt on the sale rack at Marks Work Warehouse a while back and was browsing ideas for embellishing t-shirts when I came across this tutorial  from Sew it All TV. So I decided to apply it to my shirt and here it is.

I'm a bit off center I think my boyfriend was tired

a close up

I think it turned out pretty cool. Sewing on stretch is a bit different than sewing on non-stretch and the sight doesn't really give much advice (unless I'm missing something) so if anyone wants any tips or a tutorial let me know and I'll do my best to put something together.