a ROUGH AND READY method to make an ePub show in "periodicals" on the T1:
Rename the .epub to .zip and extract, or use calibre right click "Tweak Book" and "explode epub".
Navigate to the folder "META-INF" and add a file "metadata.xml" with the following content:
Code:
<?xml version="1.0" encoding="utf-8"?>
<rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:dcterms="http://purl.org/dc/terms/"
xmlns:dc="http://purl.org/dc/elements/1.1/"
xmlns:prs="http://xmlns.sony.net/e-book/prs/">
<rdf:Description rdf:about="">
<dc:title>The Economist [Mo, 05 Mrz 2012]</dc:title>
<dc:publisher>calibre 0.8.41</dc:publisher>
<dcterms:alternative>The Economist</dcterms:alternative>
<dcterms:issued>2012-03-05</dcterms:issued>
<dc:language>eng</dc:language>
<dcterms:conformsTo rdf:resource="http://xmlns.sony.net/e-book/prs/periodicals/1.0/newspaper/1.0"/>
<dcterms:type rdf:resource="http://xmlns.sony.net/e-book/prs/datatype/newspaper"/>
<dcterms:type rdf:resource="http://xmlns.sony.net/e-book/prs/datatype/periodical"/>
</rdf:Description>
</rdf:RDF>
while changing the "Economist" and date stuff to whatever you want yours to be.
There's probably an easier way to do it, but that's gonna be up to someone else!