Simple ExpressionEngine 2 plugin to make PHP getimagesize function data available as formatted html img tags or strings.
            
			------------------
			TAGS:
			------------------
            
			### {exp:imgdata:tag url="http://url/of/image.jpg" alt="Alt String" html="any additional html you want added to the img tag"}
            Returns HTML img tag with width, height, alt and any custom html
            Example: <img src="http://url/to/my_image.jpg" width="600" height="400" alt="My Image" class="gallery">
            
            ----------------------------------------------------------------
            
            
            ### {exp:imgdata:thumb_tag url="http://url/of/image.jpg" 
            	thumb_dir="http://url/of/thumbs_directory" alt="Alt String" 
            	html="any additional html you want added to the img tag"}
            	
			Return a string with the html img tag for an image with same filename 
			in a directory different from URL. Useful for returning info about EE File Manager manipulations
			in environments without access to EE's native file field variables.
			Important: No trailing slash on thumbs_dir "http://url/of/thumbs_directory"
			Example: <img src="http://url/to/thumbs/my_image.jpg" width="100" height="75" alt="My Image" class="thumbnail">
            
            ----------------------------------------------------------------
            
                            
            ### {exp:imgdata:img_width url="http://url/of/image.jpg"}
            Returns image width
            Example: 600
            
            ----------------------------------------------------------------
            
            
            ### {exp:imgdata:img_height url="http://url/of/image.jpg"}
            Returns image height
            Example: 400
            
			----------------------------------------------------------------
			
            
            ### {exp:imgdata:attr_str url="http://url/of/image.jpg"}
            Returns image width and height attributes for img tag
            Example: width="600" height="400"
            
            ----------------------------------------------------------------
            
                            
	        ------------------
			PARAMETERS:
			------------------
			
			###	url="http://url/to/my_image.jpg"
			URL of img file
			
			###	thumb_url="http://url/to/thumbs_directory"
			URL of alternate directory - no trailing slash
			
			###	alt="Alt Text"
			Alt text to add to img tag
			
			###	html='class="thumb"'
			Any custom html, such as css or title attribute to add to img tag
			
			
	        ------------------
			CHANGELOG:
			------------------
			
			1.1.0 Added img_filename and thumb_tag methods.