Embodiments of the invention are concerned with a method and a system for distributing mobile applications, in particular to aspects of receiving, processing and displaying advertisements on mobile terminals. In one aspect, embodiments provide a software component for controlling movement for an advertisement image on a mobile terminal, the mobile terminal comprising a display area and a processor, the software component comprising processable instructions defining movement of the advertisement image relative to the display area, wherein the instructions are wirelessly transmissible to the mobile terminal and the processor is arranged to process said instructions in order to move the advertisement image.