how i can change the theme?

 how i can change the language?

how i can encrease the upload size of the files?

 

finally:

anoter thing i was using FCKeditor with it Upload folder i want to set this folde to be the cuteeditor folde cause if full with alot of media i don't want to lose it cause my forum is working and i have a lot of users more than 1000 Topics i don't want to update the all topics link for the pic.

My Old Folder called UplodedUsersFiles i want to change the folder with cuteeditor to be this folder

UplodedUsersFiles is located in ..\yetanotherforum\UplodedUsersFiles