30   def self.find_file_from_params(params, request)
 31     if request.path =~ /\/(thumbnail|logo|big|medium|small|css|favicon)\/([^\/\.?]+)/
 32       @theme = Theme.find($2)
 33       #file = $1
 34       case $1
 35       when "thumbnail"
 36         @theme.thumbnail
 37       end
 38     end
 39   end
 40 end