add pictures related to article title in joomla

i am looking for a data entry guy ,who is familiar with joomla cms. i have articles on my site but pictures are not there in articles i just want you search pictures related to topic and insert it in my joomla post/articles . there are around 200 posts so you need to insert related pictures in 200 articles/posts in joomla. i will provide you joomla admin access of the site . its a small work to search a pic ad add it on the site will not take more than 3 min. work must be completed in 2 days .