Graphic designer required, web/screen resolution imagery

We are looking for a graphic designer to produce or refine web page graphics. Mostly these will be icon drafts or concepts in need of finesse or card / button / banner images in need of refinement or creation. Most tasks will be small and costed as standalones; with clear draft concept or creative guidelines. Suggestions will be expected and welcomed but most tasks will be within an the existing framework or style guide. Please reply with CV and or portfolio examples. Extra kudos for those that read the requirements and respond briefly with examples and experience similar to the above.