Example of free FTP server:
ftp.gnu.org
ftp.pureftpd.org
ftp.vim.org
ftp.slackware.com
Explaining unclear verses using other explicit verses.
The famous scholar Ibn Taymiyyah was famously asked about which Tafsir was closest to the Sunnah—al-Zamakhshari, al-Qurtubi, or al-Baghawi. He responded that al-Baghawi’s Tafsir was the safest, freest from innovation (Bid'ah), and contained the fewest fabricated Hadiths.
Be extremely cautious of websites offering a "full Tafsir al Baghawi English pdf" for free. Most are either:
from available online resources. Explaining the scholarly background of Imam al-Baghawi.