The text that show when member is going to upload pictures,

"
Om zOOm Media Gallery & Credits Om zOOm Media Gallery & Credits

zOOm Media Gallery 2.5.1 RC1
Copyright © 2003 - 2005 by Mike de Boer.
© FOOOD's Icons. All rights reserved. COMMERCIAL! Visit him at Foood.net "

Are this neccecery to show? And can i remove the text. And how?

//Andrej

You can remove the text, by editing the zOOm core files. I would not do so, however, until you get permission from the zOOm authors. You may get into leagal issues if you do this without permission.