TeX: Fonts
For true type fonts see XeTeX
Lithuanian
\usepackage[utf8]{inputenc}
\usepackage[T1]{fontenc}
Cyrillic
sudo apt-get install texlive-lang-cyrillic
and
\usepackage[utf8]{inputenc}
\usepackage[T2A]{fontenc}
Font quality
Install cm-super
sudo apt-get install cm-super
and check the output (should say Type 1, not Type 3)
pdffonts out.pdf
Alternatively, install lmodern and
\usepackage[lmodern]
Resources
Wikibooks LaTeX fonts