The New Oxford Picture Dictionary (English-Spanish Edition) for conversation starters
Oxford Picture Dictionary English-Spanish: Bilingual Dictionary for Spanish speaking teenage and adult students of English (Oxford Picture Dictionary 2E) for conversation starters (with different pictures)
Pronunciation Pairs: An Introduction to the Sounds of English (Student's Book & CD) for practical practice
Whaddaya Say? Guided Practice in Relaxed Speech, Second Edition for "relaxed" speaking
Basic Vocabulary Builder: Blackline Masters (Language - Professional Resources) for added practice