I took a quick pass at the Minerals template. Hopefully it can be of use to someone.

Original Alternative
Copper Ore Copper Ore Copper Bar Copper Bar Tin Ore Tin Bar
Iron Ore Iron Ore Iron bar1 Iron Bar Lead Ore Lead Bar
Silver Ore Silver Ore Silver bar1 Silver Bar Tungsten Ore Tungsten Bar
Gold Ore Gold Ore Gold Bar Gold Bar Platinum Ore Platinum Bar
Demonite ore1 Demonite Ore Demonite bar Demonite Bar
Meteorite ore Meteorite Ore Meteorite bar Meteorite Bar
Hellstone1 Hellstone Hellstone bar Hellstone Bar
Cobalt Ore Cobalt Ore Cobalt Bar Cobalt Bar Palladium Ore Palladium Bar
Mythril Ore Mythril Ore Mythril Bar Mythril Bar Orichalcum Ore Orichalcum Bar
Adamantite Ore Adamantite Ore Adamantite Bar Adamantite Bar Titanium Ore Titanium Bar
Obsidian1 Obsidian

It just needs to have the ore and bar images filled in and IMO it should be good to go.

Also, if anyone wants to make the source cleaner just let me know and I'll write up some CSS that can be added to replace some of the current code.