HEY! What about your English speaking neighbours to the north?

FWIW, I'd say "for".

Mike

>(subject wouldn't allow more charactes, New Zelanders are welcome too <g>)
>
>This is an English language question, it may sound as silly as bizarre, but I thought you could enlighten me anyways.
>The reasons why others (like Americans) are not the target of this question is because I already know their answer.
>
>Here it is:
>Think of a data entry form where, among other settings, users need to specify the amount of seconds certain picture should be shown.
>Which one of the following is the proper way to put it:
>
>Show this picture for 30 seconds.
>
>or
>
>Show this picture during 30 seconds.
>
>Is it "for" [a], "during" [b], both [c], none [d] the correct way?
>
>Thanks in advance.