Fred,
1. I can confirm that the "Dog" icon is a W2K thing, and that W97 uses a diamond instead. Apologies for the confusion.
2. I can't help on this one- I've always used Insert Picture. I don't have Wordart as an option on my machine. My guess is that it's an installation option. The only thing I can find from the help is <hr>Only programs that are installed on your computer and that support linked and embedded objects appear in the Object type box.
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3 & 4. Thanks for the info. It's always useful to learn more, particularly things which can be useful but which are hidden away.