我想問那裹可以幫人將自己設計ge圖案整成[湯]圖,印上衫到?

You 可以 buy T恤轉印紙, and do it yourself.

An example is in http://www.avery.com.hk/big5/prodlist.php?level=2&parentid=52.

Not too expensive and you probably can find that in most stationery stores.