Can anyone tell me how to downloasd the software for my motorola mobile so that I xcan get the photos onto my PC?

What is the make and model of your phone?

It's a motorola BC50 - I bought it 2nd hand and didn't get the disk with it for the photos to PC

That model number doesn't show up on their site:
Motorola United States - Support Home Page (http://www.motorola.com/consumer/v/index.jsp?vgnextoid=38b5f7c0c1a0b010VgnVCM10000082 06b00aRCRD&show=globalSupport&catID=6de76a7ce2ea0110VgnVCM1000008206b00a____&itemID=4041586a336a0110VgnVCM1000008206b00a____&ps=y&pg=PG_TYP_00001) (click on link "Which phone do I own?")

Navigate that site to see if you can get the software as a download, or else you'll have to buy the software or ask the seller to find the CD for you.