This document provides information and suggestions to help Spanish speakers improve their English pronunciation. It identifies the most difficult English vowel sounds for Spanish speakers, such as /ʊ/, /ɪː/, /ʌ/, and /j/. It also discusses pronouncing suffixes like "-tion" and "-ture", homophones, the "s" sound at the beginning of words, and regular past tense verbs ending in "ed". The document concludes by recommending that Spanish speakers listen to model pronunciations, learn phonetic symbols, speak English frequently, and expose themselves to different accents to enhance their pronunciation skills.