Download a free version of gimp at home. If you do not have Photoshop at home its the next best thing and more importantly its FREE! The amazing Rosie Hardy who started of working professionaly whilst studying at 6th form college uses Gimp for all her self portrait work. Check out her tutorials and work here :-
www.rosiehardy.com and download gimp here www.gimp.org
www.rosiehardy.com and download gimp here www.gimp.org