Metadata and media scraping
Arcadeflow can scrape metadata and/or media files from screenscraper.fr and from adb.arcadeitalia.net, you can scrape each romlist individualy and set different options. Be sure to enter your screenscraper.fr username and password so you can scrape more data.
Scraping match is crc based or filename based, you'll have "name" matches when the file name is identical, or "guess" matches when screenscraper finds a game but the rom name is not exactly the same.
You can stop the scraping process and restart later with only non scraped roms. In this case you can chose what kind of roms to scrape: missing or even non exact matches.
Scraping will overwrite your current romlist, while XML import will overwrite scraped data, but a scraper "cache" will be kept so you can re-scrape using "only missing" and rebuild your romlist from scraped data.