Hello Ransome So

>a) the Euro Sign (European currency sign)
http://voirplus.net/images/euro.gif
http://europa.eu.int/comm/external_relations/images/logo/euro.gif
http://www.worldres-europe.com/euro_images/euro.gif


>b) a tick
http://www.local-regions.detr.gov.uk/bestvalue/logo/images/tick.gif
http://www.skillsware.co.uk/skill/images/tick.jpg
http://www.dansoft.co.nz/webfx3d/assets/images/Tick.jpg

>c) a blank checkbox
??

>d) a checked checkbox with a tick and
http://www.naturallaw.org.nz/genetics/MediaRel/images/tick.gif
http://www.statelibrary.vic.gov.au/slv/vision/tick.gif
http://www.fec.gov/pages/checkbox.gif
http://registration-net.com/checkbox.gif

>e) a checked checkbox with a cross
??


you could easy find more pics with google Pic Search


Christoph