IMO, matte paper is the best for the job. The sleeve is glossy, so why add insult to injury by inserting a glossy cover that will just cause more glare and reflections?
*writes this stuff down*
Okay, so matte paper is a definite. Legal (8.5x14")
is recommended for the universal cases, right?
Also, where can I find this magical type of paper? I've searched Walmart.com, Bestbuy.com, Epson, HP... They all failed me!