Ruby on Rails

Thanks to all, settled on this code in the end in case useful to anyone
else - further tips appreciated, works great though.

class ApplicationController < ActionController::Base

before_filter :grab_banner

def grab_banner
banner = BannerAdvert.first(:conditions => [ "published >= ?", 1],
:order => "RAND()")
if banner
@banner_url = banner.url
end
end

end

I realised "lightening bolt", that for many thing I don't actually NEED
an admin interface/scaffold - like in this case I just created a
BannerAdvert model and I CRUD the records directly with Sequel Pro.
Anyone comment on this approach - saves me hours and keeps the app
clean. Silly, simple tip - no more scaffolded code - except when it
helps me - feels like coming on to the next stage.. :-).
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