This chapter deals with a small-scale study that focuses on the analysis of the student teachers' evidence gathered from the first task of the Barcelona study week of the proPIC project. The task, called 'One picture and One thousand words', consists of selecting an image that represents the student teachers' conception of Additional Language (AL) teaching and an explanatory text that accompanies it to clarify interpretation. The main objective of this task is to prompt student teachers to use the image-text relationship to express their beliefs about the complex process of AL teaching, and to make the metacognitive effort to verbalise this relationship. [For the complete volume, "Promoting Professionalism, Innovation and Transnational Collaboration: A New Approach to Foreign Language Teacher Education," see ED624249.]