294906 Sending ecards from website

The user will have an opportunity to create his/her own greeting card and then send it to the mobile phone using MMS service -- The user comes to web page, -- The user uses sketch tool to create his/her greeting card and he can use some simple templates for cards ( birthday, love, get well soon, some religious holidays) -- Once it is done, the user can save the card -- then the user specifies the mobile phone number and the person's name to whom he wants to send the card. -- then the user hit "Send" and the personalized greeting card is send. -- the user receives and view the card on the cell phone It has to work in the US. I need a solution which will work in the US. Because, I could not find any MMS gateway which will work in the US. So, you will need to propose a solution which will accomplish this. I have heard that clickatel provides service which is called pushSMS, which can accomplish that.