change image background into transparent

[fly]

I am making image use powerpoint,but image background cannot change.
what can you dou for me?
Thanks!!!
谢谢ï¼ï¼

 

[db]

Not sure what exactly you
want. Maybe this can help:

http://office.microsoft.com/en-us/powerpoint/results.aspx?qu=background&av=ZPP120

-db

I am making image use powerpoint,but image background cannot change.
what can you dou for me?
Thanks!!!
谢谢ï¼ï¼

 

[db]

if you background is an
a pic and not a full screen
background image, then you
may be seeking the method to
convert it to a "watermark".

this may be another clue for
your research of your question.

-db
Not sure what exactly you
want. Maybe this can help:

http://office.microsoft.com/en-us/powerpoint/results.aspx?qu=background&av=ZPP120

-db

I am making image use powerpoint,but image background cannot change.
what can you dou for me?
Thanks!!!
谢谢ï¼ï¼