[Mediawiki-l] local wikipedia with original mages of wikipedia site

[Enrique]

Hello all
i have a local wikipedia and working fine for my intranet users, i have 
internet conection trougth proxy.
i need make to see images caching of original images (prefer thumbnail only) 
to make best look of my wiki, my users no have internet acces.
what i can do??
other cuestion is if i can delete an entry category - subcategory and 
respectives articles of wikipedia.