Online resource for learning Tamil
MyLanguages.org Tamil has a set of resources available for total beginner learners of Tamil.
Covers Tamil basics
These resources include information about the Tamil alphabet, adjectives, adverbs, articles, gender, nouns, numbers, phrases, singular and plural, pronouns, verbs, vocabulary, translation, dictionary, video, audio, reading and transliteration.
Also included is a simple Tamil phrasebook.
Free to start learning Tamil
This resource allows you to get started with Tamil and includes audio recordings of the vocabulary terms.
It's totally free:)