I've made a t-shirt for a friends boy's 6th birthday, out of a plain black t-shirt purchased from Salvos, together with a dinosaur pillowcase and some bias binding. Here it is:
I also made a card to match the gift, which is completely recycled. The blank cards I bought from an etsy seller, they are made with recycled paper/card. I used a square of the same dinosaur pillowcase that I used for the t-shirt, and a picture cut from a dinosaur book that a lady at the op shop gave to me, because it was damaged:
And here is the card - I used a glue stick to hold in place, and then machine stitched over the top. I think it turned out well, so now this is how I will make my Christmas cards!