[galaxy-user] cloud instance of galaxy

I have put up an instance of galaxy on the cloud and as a simple test am trying to retrieve hg19 sequences corresponding to a bed file using the Extract Genomic DNA tool. hg19 is supposed to be a "loaded, system installed build" yet I get an error message stating that "No sequences are available for hg19". A similar thing occurred with an mm9 request. What is being done wrong? Tom Thomas Randall, PhD Bioinformatics Scientist, Contractor Integrative Bioinformatics National Institute of Environmental Health Sciences P.O. Box 12233, Research Triangle Park, NC 27709 randallta2@niehs.nih.gov<mailto:randallta2@niehs.nih.gov> 919-541-2271