You came to the right place, lots of people here who can help out, dont forget to check out the site's chatroom, you can get live help on minor and some major modding issues.
You'll find everything on here for your modding needs. Just stick to this site.
Try the search function or using google with:
before posting a question in the appropriate section of the forum.
Enjoy your stay and browsing the forum (I can recommend the links below and the Author index). Also you'll get a personal welcoming message shortly with even more links.
Some JAP games only have the JAP language on them, no way to change that to english.