Hi. Thanks for the suggestions. Here are some answers.
If you go to the admin panel, click a site, and click a blue arrow, you'll see the links in that (sub)tree. If you click a green check mark, PhpDig should reindex that (sub)tree using the setup in the config file.
For jumping domains,
this thread might help with what you want.
Adding an array for session id is probably easy, adding PageRank is probably hard (not sure it makes sense for limited crawling), will look into the snippet issue (does the highlighted word show up if you increase the snippet length), and adding a 'wait' variable is probably easy.
With regard to tags, do you mean that you see HTML comments in the search results (can you post an example), or is it that you want to be rid of META tag description and keywords text in the search results? If the latter, comment out the code in post seven of
this thread.