In case you're interested, here are a few more links about Viking clothing/jewellery/props.
Making a Drinking Horn: I have a small horn, already. I need to make it watertight. Looks like I'll need to get some beeswax.
Medieval Design: Not just Viking clothes. Lots of medieval European garments here. This is a shop, but has some nice photos which I've found helpful for my own costuming.
Pattern and Instructions for Viking Age Re-enactor’s Trousers: A PDF file explaining the construction of Thorsbjerg style trousers.
Raymond's Quiet Press: I think I've linked to this before, but here it is again. Contains a wide assortment of reproduction Viking jewellery and accoutrements. Also has Saxon, Roman, and other medieval stylings.
Viking Outfit Project: A helpful description of one costumer's men's clothing project.