NEW : Gulf seeing no oil on beaches , but tourists are staying away , governor says . Frustration grows among Mississippi residents . National Guard collects 250,000 gallons of oil in the first 24 hours of funneling . Oil mars pristine beaches on Grand Isle Panhandle .
NEW : Mississippi seeing no oil on beaches , but tourists are staying away , governor says . Frustration grows among Gulf residents . BP collects 250,000 gallons of oil in first 24 hours of funneling . Oil mars pristine beaches on Florida Panhandle .