For the T-shirt above, I made some tulips for Nini using scraps from Heather Bailey's Nicey Jane line. The stems and leaves are done with brown felt (I will admit the use of craft felt and not high-end designer felt - whatever!). I did not use a pattern for this - I freehanded it myself!
For Avi's T-shirt, I used the pattern from the blog written by Trey and Lucy. The fabric was left over from the button down I made just last week... It's sooooo cute! Love it.