Do you folks think the thumbs for movies and images inside members areas with wider tours should also be larger than they would be in regular sized tours?

For example, on a 800px wide tour i currently use thumbs that are about 150 on the longest side inside the members area, do you think the size of the thumbs should be larger inside a 950px wide sites members area to match the extra width of the site design or, should more 150px thumbs be used on the members area pages?

Regards,

Lee