How to set height width for an Image field in a web App?

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i've webapp save user picture description, title. when displays items images big, want know how set height , width images ?

hi there,

to need resize image. prefably before put bc. while can scale image in css not want this. why? because images still big , not optimised should web.

this means page these images take long time load people, , people wont happy viewing site.

you need use software such photoshop if have or iphoto on mac example edit, crop , size images before upload them. if not have can use free web based tools such one:
http://pixlr.com/editor/

you can within bc in file manager. if click image can see options resize it. downside of is done pure math. not know in photo , results can make image squished etc.



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