I've finally posted the tutorial on my site.
I've packaged it as a download (rather than online pages) as there is a fair bit of other resources I have included to help you with the process of updating player cards.
It basically contains:
a step-by-step tutorial on updating player cards in Tile Molester,
additional pages & documents (pdfs) listing all the offsets & player cards (for both NHL 94 & 95),
information about changing the player card to roster player associations,
HOW TO UPDATE PLAYER CARDS FOR ALL PLAYERS IN WBOY'S 30 TEAM ROM
The tutorial above doesn't exactly reflect how the player card table works in the 30-team ROM, so I'm just adding the following information to help those having trouble updating their player cards.
First, I assume at this point you know how to edit the player card photos. If not, please review the tutorial in the OP as it details everything step by step.
Now, linking the player card photos to the appropriate player