I can't see the pics (must be a work firewall thing), but the good news is, if you need a valve cover gasket, thats (1) cheap (Less than $70) and (2) easy to replace - shouldn't take more than an hour or so. Nothing like needing a head gasket or a VANOS sealing plate or anything.
Same note as above for spark plugs. I think most spark plugs will have a touch of brownish discoloration on the white, just from the heat, unless they haven't been in there long. I replaced my Audi spark plugs every 10k miles and they usually looked new still. - Note, this is because I was using copper core spark plugs at $2 a pop. They work like new the entire time they're in that way, versus iridium plugs that are still ok, but fairly degraded by 50k. Just in case someone wonders why I replacing spark plugs on such a short interval.
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