How to add a content editor web part to a specific page.

Question

Hi ,

 

My client requirement is add a content editor webpart to home page SP2010, from local mechine(windows mechine.) 

we have couple of if sites those sites we need to add a banner for that simple text we need to add a content editor webpart.

  we can add manually, but using any utility can we add webpart for multiplie sites?

Note:

1. We dont have access Central admin severs.

2. i can also use visual studio.

3. Using VS can we connect SP2010 and 2007 sites from Windows desktop?

4. we have some servers Win servers, but we dont have access central admin access.

 

please help me here 

 

Thanks in Advance.